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SCHREEDER, MARSHALLM.D. NPI 1083693154 Clinician

Hematology-Oncology · HUNTSVILLE, AL

Specialty Hematology-Oncology — from billed Medicare claims
Trained TULANE UNIVERSITY SCHOOL OF MEDICINE — medical school, self-reported to CMS
In practice about 53 years since medical school (class of 1973, self-reported to CMS)
Location HUNTSVILLE, AL · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 94 codes billed · 132,076 disclosed services (CY2024 — most recent year in data)
Current groups

Group affiliation since 2019

20192026
ONCOLOGY SPECIALTIES, P.C.
2019–2026

The roster archive begins in 2019, so a span starting at 2019 may reach back further. Membership spans only — no volume is attributed to any group here.

NPPES registry · CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · NPPES record last updated 2023-01

Year: 2024 · 2023 · 2022  · 2021  · 2020 

Provider overview · all codes · CY2024

The full analytics for this provider

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The billed-volume positioning, practice focus, and economics behind this provider — computed on the same disclosed Medicare Part B data.

This provider's disclosed Medicare payments across all codes were in CY2024. Included with Platform.

  • Payment, service & beneficiary totals — the disclosed scale, all codes
  • Practice profile — focus & reach — top codes by share of services
  • Office vs. facility setting mix — place-of-service code split
  • Volume over five years — discrete yearly counts, no rate
  • Peer positioning — service volume — percentile among specialty peers, cohort & year disclosed
  • Peer positioning — code breadth — how many codes billed, vs peers

Peer positioning shows billed-volume and code-breadth positions among specialty peers, not measures of care (a provider's true volume position can only be higher, never lower). All figures disclosed Medicare Part B fee-for-service; volumes are personal to this NPI, not attributed to any group.

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Procedures billed to Medicare Part B (2024)

Medicare Part B FFS · CY2024 · as published by CMS
CodeDescription Services Beneficiary-episodes Avg charge Avg Medicare payment
J9271 Injection, pembrolizumab, 1 mg
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use)
J9299 Injection, nivolumab, 1 mg
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj
J0897 Injection, denosumab, 1 mg
J0185 Injection, aprepitant, 1 mg
J1568 Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg
J1100 Injection, dexamethasone sodium phosphate, 1 mg
J1437 Injection, ferric derisomaltose, 10 mg
Q5123 Injection, rituximab-arrx, biosimilar, (riabni), 10 mg
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
80053 Blood test, comprehensive group of blood chemicals
36415 Insertion of needle into vein for collection of blood sample
J1626 Injection, granisetron hydrochloride, 100 mcg
J9395 Injection, fulvestrant, 25 mg
J2469 Injection, palonosetron hcl, 25 mcg
96375 Injection of additional new drug or substance into vein
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
J1750 Injection, iron dextran, 50 mg
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
J2919 Injection, methylprednisolone sodium succinate, 5 mg
96413 Administration of chemotherapy into vein, 1 hour or less
J9190 Injection, fluorouracil, 500 mg
Q5127 Injection, pegfilgrastim-fpgk (stimufend), biosimilar, 0.5 mg
88185 Flow cytometry technique for dna or cell analysis, each additional marker
J9045 Injection, carboplatin, 50 mg
96372 Injection of drug or substance under skin or into muscle
83735 Magnesium level
83883 Nephelometry, test method using light
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
84443 Blood test, thyroid stimulating hormone (tsh)
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle
84100 Phosphate level
82728 Ferritin (blood protein) level
83540 Iron level
83550 Iron binding capacity
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
82784 Gammaglobulin (immune system protein) measurement
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
96415 Administration of chemotherapy into vein, each additional hour
96417 Administration of additional new drug or substance into vein, 1 hour or less
83615 Lactate dehydrogenase (enzyme) level
82607 Cyanocobalamin (vitamin b-12) level
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle
84165 Protein measurement, serum
84439 Thyroxine (thyroid chemical), free
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month
J3490 Unclassified drugs
J3475 Injection, magnesium sulfate, per 500 mg
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month
84153 Psa (prostate specific antigen) measurement, total
J1454 Injection, fosnetupitant 235 mg and palonosetron 0.25 mg
82378 Carcinoembryonic antigen (cea) protein level
J3489 Injection, zoledronic acid, 1 mg
96366 Infusion into a vein for therapy, prevention, or diagnosis, each additional hour
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
85046 Red blood count automated, with additional calculations
96411 Administration of additional new drug or substance into vein using push technique
J1200 Injection, diphenhydramine hcl, up to 50 mg
81003 Automated urinalysis test
96361 Infusion into a vein for hydration, each additional hour
86301 Immunologic analysis for detection of tumor antigen, quantitative; ca 19-9
G0498 Chemotherapy administration, intravenous infusion technique; initiation of infusion in the office/clinic setting using office/clinic pump/supplies, with continuation of the infusion in the community setting (e.g., home, domiciliary, rest home or assisted l
82306 Vitamin d-3 level
86304 Immunologic analysis for detection of tumor antigen, quantitative; ca 125
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
J7030 Infusion, normal saline solution , 1000 cc
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg
82232 Beta-2 microglobulin (protein) level
82746 Folic acid level, serum
96368 Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion
85652 Red blood cell sedimentation rate, to detect inflammation, automated
96360 Infusion into a vein for hydration, 31-60 minutes
84550 Uric acid level, blood
84156 Total protein level, urine
84166 Protein measurement, body fluid
86334 Immunologic analysis technique on serum (immunofixation)
86300 Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3
81050 Urine volume measurement
88184 Flow cytometry technique for dna or cell analysis, first marker
80061 Blood test, lipids (cholesterol and triglycerides)
81206 Translocation analysis (bcr/abl1) major breakpoint
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay
81001 Manual urinalysis test with examination using microscope, automated
96523 Irrigation of implanted venous access drug delivery device
J2930 Injection, methylprednisolone sodium succinate, up to 125 mg
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
J7040 Infusion, normal saline solution, sterile (500 ml = 1 unit)
38222 Biopsy and aspiration of bone marrow sample for diagnosis
82465 Cholesterol level

These are this provider's own Medicare Part B fee-for-service volumes (CMS public data). CMS suppresses rows with fewer than 11 beneficiaries, so low-volume codes may be missing entirely — absence is not zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average charge and average Medicare payment are weighted by service volume across office and facility settings. Volumes on this page are personal to the NPI and are not attributed to any physician group. See Methods & Sources.