Doctor profile · Federal record
Dr. Jan Ryszkowski, M.D.
Nuclear Medicine Physician (CMS: Nuclear Medicine) · Nuclear Imaging & Therapy Physician · Nuclear Cardiology Physician · In Vivo & in Vitro Nuclear Medicine Physician · Nuclear Medicine Physician · General Practice Physician · Little Rock, AR
- NPI 1134304512
- Accepts Medicare
- MIPS 84.5 / 100 · 2023
- 26 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
316 Commentry Way
Little Rock, AR 722234598
(501) 352-7043
Credentials & registration
- NPI registered
- January 2008 — 18 yrs on file
- Profile last updated
- September 19, 2025
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207U00000X — NUCC code
- State licenses (2)
- Arkansas #E-5892 · Michigan #4301091356
- Medicaid
- AR #174688001
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134304512. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,795
Distinct HCPCS
7
Medicare allowed
$116,013
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
11042 |
Removal of skin and tissue, 20.0 sq cm or less | 767 | 142 | $54 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 382 | 123 | $90 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 377 | 128 | $61 | |
11045 |
Removal of skin and tissue, each additional 20.0 sq cm or less | 99 | 19 | $23 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 96 | 96 | $122 | |
97597 |
Removal of tissue from wound, 20.0 sq cm or less | 45 | 34 | $33 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 29 | 29 | $76 |
In context: peer comparison
Among 2 peers in Little Rock Nuclear Medicine Physician, average services per provider: 132. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$640
Transactions
23
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Paratek Pharmaceuticals, INC. | 6 | $201.73 | |
| Kerecis Limited | 3 | $104.57 | |
| Smith+Nephew, INC. | 4 | $79.50 | |
| Solventum Corporation | 2 | $71.85 | |
| Hydrofera LLC | 2 | $63.48 | |
| Abbvie INC. | 2 | $38.91 | |
| Urgo Medical North America, LLC | 1 | $25.97 | |
| Medline Industries Lp | 1 | $19.90 | |
| Mimedx Group, INC. | 1 | $19.32 | |
| Integra LifeSciences Corporation | 1 | $15.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
441
Patients
294
Total drug cost
$21,431
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 124 | 91 | $2,341 |
| Clindamycin Hcl | Generic | 66 | 54 | $750 |
| Pentoxifylline | Generic | 66 | 31 | $2,077 |
| Santyl (Collagenase Clostridium Hist.) | Brand | 31 | 20 | $13,847 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 28 | 23 | $123 |
| Cephalexin | Generic | 24 | 19 | $112 |
| Levofloxacin | Generic | 22 | 17 | $232 |
| Metronidazole | Generic | 19 | 16 | $212 |
| Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) | Brand | 17 | 11 | $632 |
| Cefdinir | Generic | 16 | 12 | $459 |
Hospital affiliations
Frequently asked questions
What is Dr. Jan Ryszkowski's medical specialty?
Dr. Jan Ryszkowski practices Nuclear Medicine Physician in Little Rock, AR.
Where does Dr. Jan Ryszkowski practice?
Dr. Jan Ryszkowski practices at 316 Commentry Way, Little Rock, AR 722234598. Office phone: 5013527043.
What is Dr. Jan Ryszkowski's NPI?
Dr. Jan Ryszkowski's National Provider Identifier (NPI) is 1134304512, issued by NPPES.
Does Dr. Jan Ryszkowski accept Medicare assignment?
Yes. Dr. Jan Ryszkowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jan Ryszkowski commonly perform?
Top Medicare-reported procedures in 2023: Removal of skin and tissue, 20.0 sq cm or less (HCPCS 11042); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.