Muhammad Usman Zafar, M.D.
Hospitalist Physician · Allentown, PA
Muhammad Usman Zafar, M.D. is a hospitalist physician with a practice address in Allentown, Pennsylvania, and NPI 1679955660, issued on Jun 25, 2015. Check the license (Pennsylvania MD464635, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Muhammad Usman Zafar
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD464635 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 S Cedar Crest Blvd, Allentown, PA 18103
- Phone
- (610) 402-5369
- Enumerated
- Jun 25, 2015
- Record last updated
- Dec 18, 2025
- Fax
- (610) 402-5959
- Medicare enrollment
- Enrolled (PECOS I20180725003582); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,424 in Pennsylvania → Look up another NPI →
Also registered at 1200 S Cedar Crest Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Waqas Adeel, M.DHospitalist Physician1184871352
- Oluwatobi Adegboyega, MDNeonatal-Perinatal Medicine Physician1659803526
- Aamir Ahmed, M.D.Hospitalist Physician1053752147
Verify Muhammad Usman Zafar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD464635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average hospitalist physician in 2024
341 Medicare Part D claims for 159 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Metoprolol Succinate26 claims
- Eliquis19 claims
- Atorvastatin Calcium16 claims
- Cefpodoxime Proxetil15 claims
- Clopidogrel15 claims
- Pantoprazole Sodium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $20.15
1 payment: food and beverage; the largest payer was CashFlow Solutions, LLC. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Muhammad Usman Zafar among 1,424 hospitalist physician records in Pennsylvania
Muhammad Usman Zafar, M.D. is one of 1,424 hospitalist physician records with a practice address in Pennsylvania. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 56% of them.
- NPI issued2015 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2011 · median 2011 among the 1,236 with a school on file
- Record last updated2025 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 hospitalist physician records list a practice address in Allentown
They are 86 of the 5,904 NPPES records with a practice address in Allentown, and 1,424 hospitalist physician records in Pennsylvania.
All 1,424 in Pennsylvania → Every provider in Allentown → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ravindra Bhati, M.D.Allentown, PA 181031821198912
- Craig Chuhran, MDAllentown, PA 181031215136684
- Don Chung, M.D.Allentown, PA 181031477553964
- Jeaninne Einfalt, DOAllentown, PA 181031154399194
- Bala Ganesan, MDAllentown, PA 181031760692263
- Paul Layden, MDAllentown, PA 181031144423856
- Vipul Makwana, M.D.Allentown, PA 181031326035239
- Greg Miller, DOAllentown, PA 181031487683025
Common questions
What is Muhammad Usman Zafar, M.D.'s NPI number?
Muhammad Usman Zafar, M.D.'s National Provider Identifier (NPI) is 1679955660, issued on Jun 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Muhammad Usman Zafar, M.D. located?
The NPPES record lists a practice address at 1200 S Cedar Crest Blvd, Allentown, PA, 18103. Phone: (610) 402-5369. Providers update this record themselves, so call before visiting.
How can I verify Muhammad Usman Zafar, M.D.'s license?
NPPES lists Pennsylvania license number MD464635, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Muhammad Usman Zafar, M.D. prescribe under Medicare Part D?
In 2024, Muhammad Usman Zafar, M.D. had 341 Medicare Part D claims for 159 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.