Doctor profile · Federal record
Dr. Muhammad Usman Zafar, M.D.
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Allentown, PA
- NPI 1679955660
- Accepts Medicare
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1200 S Cedar Crest Blvd
Allentown, PA 18103
(610) 402-5369
fax (610) 402-5959 - Mailing address
-
Po Box 783311
Philadelphia, PA 191783311
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- December 18, 2025
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Pennsylvania #MD464635
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679955660. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
985
Distinct HCPCS
5
Medicare allowed
$93,457
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 448 | 193 | $75 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 329 | 179 | $114 | |
99239 |
Hospital discharge day management, more than 30 minutes | 132 | 131 | $110 | |
99238 |
Hospital discharge day management, 30 minutes or less | 55 | 54 | $76 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $170 |
In context: peer comparison
Among 42 peers in Allentown Hospitalist Physician, average services per provider: 135. This provider delivers 7.3× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CashFlow Solutions, LLC | 1 | $20.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
60
Patients
24
Total drug cost
$565
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 15 | 12 | $122 |
| Prednisone | Generic | 12 | 12 | $27 |
| Amlodipine Besylate | Generic | 11 | 0 | $139 |
| Furosemide | Generic | 11 | 0 | $83 |
| Metoprolol Tartrate | Generic | 11 | 0 | $194 |
Frequently asked questions
What is Dr. Muhammad Usman Zafar's medical specialty?
Dr. Muhammad Usman Zafar practices Hospitalist Physician in Allentown, PA.
Where does Dr. Muhammad Usman Zafar practice?
Dr. Muhammad Usman Zafar practices at 1200 S Cedar Crest Blvd, Allentown, PA 18103. Office phone: 6104025369.
What is Dr. Muhammad Usman Zafar's NPI?
Dr. Muhammad Usman Zafar's National Provider Identifier (NPI) is 1679955660, issued by NPPES.
Does Dr. Muhammad Usman Zafar accept Medicare assignment?
Yes. Dr. Muhammad Usman Zafar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Muhammad Usman Zafar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.