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SCHWARTZENBERG, JANETMD NPI 1194767640 Clinician

Rheumatology · AMARILLO, TX

Specialty Rheumatology — from billed Medicare claims
Trained UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS — medical school, self-reported to CMS
In practice about 35 years since medical school (class of 1991, self-reported to CMS)
Location AMARILLO, TX · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 75 codes billed · 267,177 disclosed services (CY2024 — most recent year in data)
Current groups

Group affiliation since 2019

20192026
AMARILLO MEDICAL SPECIALISTS,LLP
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 2007-07

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. Unlock to see the figure.

  • 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
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
J3262 Injection, tocilizumab, 1 mg
J1602 Injection, golimumab, 1 mg, for intravenous use
J3111 Injection, romosozumab-aqqg, 1 mg
J0897 Injection, denosumab, 1 mg
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
J1745 Injection, infliximab, excludes biosimilar, 10 mg
J9312 Injection, rituximab, 10 mg
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
36415 Insertion of needle into vein for collection of blood sample
85652 Red blood cell sedimentation rate, to detect inflammation, automated
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
86140 Measurement c-reactive protein for detection of infection or inflammation
80053 Blood test, comprehensive group of blood chemicals
82248 Bilirubin level, direct
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
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
80306 Testing for presence of drug, read by instrument assisted observation
84550 Uric acid level, blood
82306 Vitamin d-3 level
96372 Injection of drug or substance under skin or into muscle
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
96413 Administration of chemotherapy into vein, 1 hour or less
82607 Cyanocobalamin (vitamin b-12) level
86160 Measurement of complement (immune system proteins), antigen,
96415 Administration of chemotherapy into vein, each additional hour
81001 Manual urinalysis test with examination using microscope, automated
20610 Aspiration and/or injection of fluid from large joint
84439 Thyroxine (thyroid chemical), free
84443 Blood test, thyroid stimulating hormone (tsh)
82550 Creatine kinase (cardiac enzyme) level, total
84481 Thyroid hormone, t3 measurement, free
83540 Iron level
82728 Ferritin (blood protein) level
J3489 Injection, zoledronic acid, 1 mg
99426 Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month
20600 Aspiration and/or injection of fluid from small joint
J1885 Injection, ketorolac tromethamine, per 15 mg
77080 Dxa bone density measurement of hip, pelvis, spine
96375 Injection of additional new drug or substance into vein
J0696 Injection, ceftriaxone sodium, per 250 mg
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
83735 Magnesium level
83550 Iron binding capacity
J1200 Injection, diphenhydramine hcl, up to 50 mg
J2919 Injection, methylprednisolone sodium succinate, 5 mg
86431 Rheumatoid factor level
73130 X-ray of hand, minimum of 3 views
86200 Measurement of antibody for rheumatoid arthritis assessment
G0008 Administration of influenza virus vaccine
80048 Blood test, basic group of blood chemicals (calcium, total)
80076 Liver function blood test panel
90673 Influenza vaccine, trivalent derived from recombinant dna
82746 Folic acid level, serum
72114 X-ray lower and sacral spine, minimum of 6 views
83970 Parathormone (parathyroid hormone) level
73562 X-ray of knee, 3 views
73030 X-ray of shoulder, minimum of 2 views
80061 Blood test, lipids (cholesterol and triglycerides)
73502 X-ray of hip, 2-3 views
82533 Cortisol (hormone) measurement, total
20605 Aspiration and/or injection of fluid from medium joint
83721 Ldl cholesterol level
83036 Hemoglobin a1c level
20552 Injection of trigger points, 1-2 muscles
72052 X-ray of upper spine, 6 or more views
J2930 Injection, methylprednisolone sodium succinate, up to 125 mg
86800 Thyroglobulin (thyroid protein) antibody measurement
73521 X-ray of both hips, 2 views
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
83880 Natriuretic peptide (heart and blood vessel protein) level
86376 Microsomal antibodies (autoantibody) measurement

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.