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MARKS, MICHAELM.D. NPI 1841246667 Clinician

Diagnostic Radiology · SALISBURY, MD

Specialty Diagnostic Radiology — from billed Medicare claims
In practice about 34 years since medical school (class of 1992, self-reported to CMS)
Location SALISBURY, MD · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 98 codes billed · 38,924 disclosed services (CY2024 — most recent year in data)
Current groups
member of 3 groups; the volumes below are this clinician's personal volume and are not attributed to any single group

Group affiliation since 2019

20192026
TIDALHEALTH SPECIALTY CARE LLC
2026
DELMARVA RADIOLOGY P A
2019–2026
PENINSULA IMAGING LLC
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 2025-09

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
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
A9585 Injection, gadobutrol, 0.1 ml
71045 X-ray of chest, 1 view
J1010 Injection, methylprednisolone acetate, 1 mg
77063 Screening 3d breast mammography
77067 Screening mammography
70450 Ct scan head or brain without contrast
71046 X-ray of chest, 2 views
71250 Ct scan of chest without contrast
74176 Ct scan of abdomen and pelvis without contrast
74177 Ct scan of abdomen and pelvis with contrast
77080 Dxa bone density measurement of hip, pelvis, spine
71275 Ct scan of blood vessels of chest with contrast
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066)
70551 Mri scan of brain without contrast
71260 Ct scan of chest with contrast
73030 X-ray of shoulder, minimum of 2 views
76770 Complete ultrasound scan behind abdominal cavity
78815 Nuclear medicine study from skull base to mid-thigh with ct scan
73502 X-ray of hip, 2-3 views
72125 Ct scan of upper spine without contrast
77065 Diagnostic mammography of 1 breast
72148 Mri scan of lower spinal canal without contrast
73560 X-ray of knee, 1-2 views
73564 X-ray of knee, 4 or more views
A9595 Piflufolastat f-18, diagnostic, 1 millicurie
71271 Low dose ct scan of chest for lung cancer screening
74018 X-ray of abdomen, 1 view
76536 Ultrasound scan of head and neck soft tissue
70553 Mri scan of brain before and after contrast
76700 Complete ultrasound scan of abdomen
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
93971 Ultrasound study of one arm or leg veins with compression and maneuvers
76705 Limited ultrasound scan of abdomen
76642 Limited ultrasound scan of 1 breast
77066 Diagnostic mammography of both breasts
72100 X-ray of lower and sacral spine, 2-3 views
93880 Ultrasound of both sides of head and neck blood flow
73130 X-ray of hand, minimum of 3 views
73700 Ct scan of leg without contrast
73630 X-ray of foot, minimum of 3 views
74174 Ct scan of blood vessels of abdomen and pelvis with contrast
70496 Ct scan of blood vessels of head with contrast
70498 Ct scan of blood vessels of neck with contrast
72141 Mri scan of upper spinal canal without contrast
77002 Fluoroscopic guidance for needle placement
74178 Ct scan of abdomen and pelvis before and after contrast
74183 Mri scan of abdomen before and after contrast
72131 Ct scan of lower spine without contrast
77085 Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment
20610 Aspiration and/or injection of fluid from large joint
73610 X-ray of ankle, minimum of 3 views
93970 Ultrasound study of arm or leg veins with compression and maneuvers
75574 Ct scan of blood vessels and grafts of heart with contrast
72170 X-ray of pelvis, 1-2 views
73721 Mri scan of leg joint without contrast
73522 X-ray of both hips, 3-4 views
76882 Limited ultrasound scan of joint or other extremity structure except blood vessels
73110 X-ray of wrist, minimum of 3 views
73562 X-ray of knee, 3 views
72110 X-ray of lower and sacral spine, minimum of 4 views
70491 Ct scan of soft tissue of neck with contrast
70486 Ct scan of face without contrast
73552 X-ray of thigh bone, minimum 2 views
77001 Fluoroscopic guidance for insertion or removal of central vein access device
73060 X-ray of upper arm, minimum of 2 views
72192 Ct scan of pelvis without contrast
73221 Mri scan of arm joint without contrast
75571 Ct scan of heart with evaluation of blood vessel calcium
73200 Ct scan of arm without contrast
77012 Review by radiologist of ct guidance for needle placement
72040 X-ray of upper spine, 2-3 views
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina
76937 Ultrasonic guidance for blood vessel access
73590 X-ray of lower leg, 2 views
76981 Ultrasound scan of organ tissue for measuring elasticity
36573 Insertion of tube for infusion with imaging guidance and review by radiologist, patient 5 years or older
76857 Limited ultrasound scan of pelvis
93922 Ultrasound study of arm and leg arteries
10005 Fine needle aspiration biopsy using ultrasound guidance, first growth
73080 X-ray of elbow, minimum of 3 views
74019 X-ray of abdomen, 2 views
74181 Mri scan of abdomen without contrast
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow
49083 Drainage of fluid from abdominal cavity using imaging guidance
71101 X-ray of ribs on side of body, minimum of 3 views
74230 Imaging for evaluation of swallowing function
93923 Complete ultrasound study of arm and leg arteries
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist
72050 X-ray of upper spine, 4-5 views
72072 X-ray of middle spine, 3 views
73020 X-ray of shoulder, 1 view
73070 X-ray of elbow, 2 views
73140 X-ray of finger, minimum of 2 views
76706 Ultrasound scan of abdominal aorta
78580 Nuclear medicine study of lung circulation
72128 Ct scan of middle spine without contrast
73090 X-ray of forearm, 2 views

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.