Doctor profile · Federal record
Dr. Karl Zimmerman, MD
Internal Medicine Physician (CMS: Internal Medicine) · Kennett Square, PA
- NPI 1154439966
- Accepts Medicare
- MIPS 60.5 / 100 · 2023
- 33 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
127 W Street RD, Suite 101
Kennett Square, PA 193481698
(610) 444-1212
fax (610) 444-3633
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 10, 2015
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Pennsylvania #MD056655L
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154439966. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,308
Distinct HCPCS
10
Medicare allowed
$322,526
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,461 | 572 | $134 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 476 | 476 | $19 | |
81002 |
Urinalysis, manual test | 445 | 352 | $3 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 308 | 308 | $135 | |
G0008 |
Administration of influenza virus vaccine | 253 | 250 | $32 | |
90662 |
Influenza vaccine split virus, preservative free | 231 | 228 | $72 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 225 | 216 | $15 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 189 | 144 | $95 | |
96372 |
Injection of drug or substance under skin or into muscle | 104 | 18 | $15 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 84 | 23 | $1 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 135. This provider delivers 32× the peer median.Open Payments
Industry payments received
All-time total
$90
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Exact Sciences Corporation | 1 | $34.92 | |
| ABBVIE INC. | 1 | $25.09 | |
| iRhythm Technologies, Inc. | 1 | $15.61 | |
| Galderma Laboratories, L.P. | 1 | $14.26 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,547
Patients
1,313
Total drug cost
$70,682
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 741 | 218 | $16,111 |
| Amlodipine Besylate | Generic | 540 | 150 | $3,429 |
| Levothyroxine Sodium | Generic | 489 | 137 | $6,737 |
| Losartan Potassium | Generic | 403 | 123 | $5,689 |
| Atorvastatin Calcium | Generic | 303 | 87 | $4,261 |
| Metoprolol Succinate | Generic | 303 | 91 | $5,726 |
| Lisinopril | Generic | 259 | 75 | $2,338 |
| Metformin Hcl | Generic | 235 | 70 | $2,245 |
| Famotidine | Generic | 222 | 68 | $3,536 |
| Pantoprazole Sodium | Generic | 217 | 57 | $4,371 |
Frequently asked questions
What is Dr. Karl Zimmerman's medical specialty?
Dr. Karl Zimmerman practices Internal Medicine Physician in Kennett Square, PA.
Where does Dr. Karl Zimmerman practice?
Dr. Karl Zimmerman practices at 127 W Street RD, Kennett Square, PA 193481698. Office phone: 6104441212.
What is Dr. Karl Zimmerman's NPI?
Dr. Karl Zimmerman's National Provider Identifier (NPI) is 1154439966, issued by NPPES.
Does Dr. Karl Zimmerman accept Medicare assignment?
Yes. Dr. Karl Zimmerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Zimmerman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual depression screening, 5 to 15 minutes (HCPCS G0444); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.