Doctor profile · Federal record
Dr. Christopher Ronkar, MD
Rheumatology Physician (CMS: Rheumatology) · Urbandale, IA
- NPI 1992810956
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8421 Plum Dr
Urbandale, IA 503227356
(515) 270-7222
fax (515) 270-7202
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- May 13, 2025
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Iowa #32739
- Medicaid
- IA #0282178
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992810956. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
94,845
Distinct HCPCS
10
Medicare allowed
$1,906,418
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0717 |
Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 23,800 | 15 | $5 | |
J0897 |
Injection, denosumab, 1 mg | 23,640 | 233 | $23 | |
J3111 |
Injection, romosozumab-aqqg, 1 mg | 14,910 | 26 | $10 | |
J1602 |
Injection, golimumab, 1 mg, for intravenous use | 9,500 | 20 | $13 | |
J0129 |
Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 8,725 | 17 | $42 | |
J9312 |
Injection, rituximab, 10 mg | 3,180 | 16 | $80 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 2,450 | 16 | $33 | |
36415 |
Insertion of needle into vein for collection of blood sample | 842 | 477 | $8 | |
82565 |
Blood creatinine level | 780 | 438 | $5 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 608 | 24 | $0 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 1,273. This provider delivers 75× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,694
Patients
546
Total drug cost
$552,209
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxychloroquine Sulfate | Generic | 486 | 98 | $22,577 |
| Methotrexate (Methotrexate Sodium) | Brand | 326 | 61 | $8,406 |
| Tramadol Hcl | Generic | 281 | 58 | $3,229 |
| Prednisone | Generic | 276 | 68 | $2,383 |
| Alendronate Sodium | Generic | 263 | 67 | $1,912 |
| Celecoxib | Generic | 177 | 45 | $6,169 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 146 | 36 | $5,607 |
| Gabapentin | Generic | 145 | 26 | $3,822 |
| Duloxetine Hcl | Generic | 121 | 16 | $2,565 |
| Cyclobenzaprine Hcl | Generic | 115 | 18 | $1,354 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Ronkar's medical specialty?
Dr. Christopher Ronkar practices Rheumatology Physician in Urbandale, IA.
Where does Dr. Christopher Ronkar practice?
Dr. Christopher Ronkar practices at 8421 Plum Dr, Urbandale, IA 503227356. Office phone: 5152707222.
What is Dr. Christopher Ronkar's NPI?
Dr. Christopher Ronkar's National Provider Identifier (NPI) is 1992810956, issued by NPPES.
Does Dr. Christopher Ronkar accept Medicare assignment?
Yes. Dr. Christopher Ronkar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Ronkar commonly perform?
Top Medicare-reported procedures in 2023: Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0717); Injection, denosumab, 1 mg (HCPCS J0897); Injection, romosozumab-aqqg, 1 mg (HCPCS J3111). Source: CMS Medicare Physician & Other Practitioners file.