Doctor profile · Federal record
Dr. Peter Merkel, MD, MPH
Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Internal Medicine Physician · Radnor, PA
- NPI 1437136173
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 38 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
250 King of Prussia
Radnor, PA 190875220
(610) 902-5700
fax (617) 638-5226
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- February 3, 2012
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State licenses (2)
- Pennsylvania #MD043272L · Massachusetts #75719
- Medicaid
- MA #3134431
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437136173. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
55
Distinct HCPCS
2
Medicare allowed
$6,521
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 26 | $101 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 18 | $149 |
In context: peer comparison
Among 2 peers in Radnor Rheumatology Physician, average services per provider: 59. This provider delivers 0.9× the peer median.Open Payments
Industry payments received
All-time total
$92,715
Transactions
40
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ns Pharma, INC. | 2 | $17,187.50 | |
| AstraZeneca Pharmaceuticals Lp | 5 | $15,275.00 | |
| AstraZeneca Uk Limited | 3 | $13,107.50 | |
| Alexion Pharmaceuticals, INC. | 14 | $12,732.69 | |
| Otsuka Pharmaceutical Development & Commercialization, INC. | 4 | $11,831.63 | |
| Amgen INC. | 5 | $5,895.80 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $4,550.00 | |
| Genzyme Corporation | 1 | $3,645.00 | |
| Chugai Pharmaceutical Co., LTD. | 2 | $3,639.70 | |
| Abbvie INC. | 1 | $2,800.00 | |
| Boehringer Ingelheim International GmbH | 1 | $1,500.00 | |
| AstraZeneca Ab | 1 | $550.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
27
Patients
0
Total drug cost
$382
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 27 | 0 | $382 |
Hospital affiliations
Frequently asked questions
What is Dr. Peter Merkel's medical specialty?
Dr. Peter Merkel practices Rheumatology Physician in Radnor, PA.
Where does Dr. Peter Merkel practice?
Dr. Peter Merkel practices at 250 King of Prussia, Radnor, PA 190875220. Office phone: 6109025700.
What is Dr. Peter Merkel's NPI?
Dr. Peter Merkel's National Provider Identifier (NPI) is 1437136173, issued by NPPES.
Does Dr. Peter Merkel accept Medicare assignment?
Yes. Dr. Peter Merkel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Merkel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.