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Rheumatology

Tazeen Rehman, MD

Works at hospitals in Baltimore, MD · York, PA · Maryland, Pennsylvania

Summary

Dr. Tazeen Rehman, MD is a rheumatologist at 1220 B E Joppa Rd, Suite 310, Baltimore, MD 21286. Phone: (410) 484-1888. Accepts Medicare assignment. In 2024, Tazeen Rehman had 488 Original Medicare patients and 163,555 services. NPI 1427241132. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Tazeen Rehman, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Tazeen Rehman accept Medicare assignment?
Yes. Medicare's clinician data says Tazeen Rehman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Tazeen Rehman see?
In 2024, CMS data shows 488 Original Medicare patients and 163,555 services for Tazeen Rehman. This counts Original Medicare only and measures volume, not quality.
What is Tazeen Rehman's NPI number?
1427241132. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Tazeen Rehman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients488
Services billed to Medicare163,555
Different services or procedures60
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. 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) (J0717)59,600 services
  2. 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) (J0129)21,276 services
  3. Injection, golimumab, 1 mg, for intravenous use (J1602)12,100 services
  4. Injection, infliximab, excludes biosimilar, 10 mg (J1745)4,614 services
  5. Injection, denosumab, 1 mg (J0897)3,240 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Osteoporosis35%
  • Depression26%
  • Anxiety26%

Hospitals where Tazeen Rehman works

Medicare's Facility Affiliation Data lists Tazeen Rehman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Tazeen Rehman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tazeen Rehman as a member of this group (CMS data updated October 2, 2026).

  • Rheumatology Associates of Baltimore LLC7 clinicians in the group

Specialties

Find other Rheumatology doctors in Maryland →

Other rheumatologists in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All rheumatologists in Baltimore →

Other clinicians in Rheumatology Associates of Baltimore LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1427241132
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians