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MAHMOOD, ZAKARIAHM.D. NPI 1154530616 Clinician

Orthopedic Surgery · AUSTIN, TX

Specialty Orthopedic Surgery — from billed Medicare claims
In practice about 20 years since medical school (class of 2006, self-reported to CMS)
Location AUSTIN, TX · NPPES registered location
Active in data Billed Medicare 2020–2024 (5 consecutive years)
Scale 33 codes billed · 8,600 disclosed services (CY2024 — most recent year in data)
Current groups
member of 2 groups; the volumes below are this clinician's personal volume and are not attributed to any single group

Group affiliation since 2019

20192026
CORA HEALTH SERVICES INC
2023–2026
THE ORTHOPAEDIC INSTITUTE, PA
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 2026-06

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
J1010 Injection, methylprednisolone acetate, 1 mg
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg
73030 X-ray of shoulder, minimum of 2 views
73130 X-ray of hand, minimum of 3 views
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
20550 Injection into tendon or ligament
73110 X-ray of wrist, minimum of 3 views
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
20610 Aspiration and/or injection of fluid from large joint
73140 X-ray of finger, minimum of 2 views
20600 Aspiration and/or injection of fluid from small joint
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
20526 Injection of carpal tunnel
26055 Incision of tendon covering of finger
J1030 Injection, methylprednisolone acetate, 40 mg
23472 Prosthetic repair of shoulder joint, total shoulder
64721 Release and/or relocation of hand nerve
20605 Aspiration and/or injection of fluid from medium joint
29848 Release of wrist ligament using an endoscope
99202 New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass
25447 Removal of bone joints between wrist and fingers
29085 Application of hand and lower forearm cast
26480 Transfer of tendon to back of hand
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
29823 Removal of extensive shoulder joint tissue using an endoscope
64718 Release and/or relocation of elbow nerve
73080 X-ray of elbow, minimum of 3 views
20612 Aspiration and/or injection of cyst of tendon
29075 Application of elbow to finger cast

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.