Doctor profile · Federal record
Dr. Jennifer van Warmerdam, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · San Francisco, CA
- NPI 1922232404
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Shrader St, Suite 650
San Francisco, CA 941171016
(415) 221-0665
fax (415) 221-0687 - Mailing address
-
3400 Data Dr, Attn Credentialing/Payer Enrollment
Rancho Cordova, CA 956707956
Credentials & registration
- NPI registered
- May 2009 — 17 yrs on file
- Profile last updated
- September 8, 2023
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- California #A96120
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922232404. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,152
Distinct HCPCS
10
Medicare allowed
$268,778
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J7325 |
Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg | 3,792 | 52 | $9 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 1,022 | 162 | $1 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 399 | 237 | $153 | |
20610 |
Aspiration and/or injection of fluid from large joint | 236 | 161 | $84 | |
73564 |
X-ray of knee, 4 or more views | 158 | 146 | $63 | |
73502 |
X-ray of hip, 2-3 views | 133 | 118 | $63 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 74 | 74 | $198 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 50 | 47 | $109 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 46 | 46 | $260 | |
72100 |
X-ray of lower and sacral spine, 2-3 views | 35 | 34 | $53 |
In context: peer comparison
Among 24 peers in this city , average services per provider: 298. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$48
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medical Device Business Services, Inc. | 2 | $31.26 | |
| Bioventus LLC | 1 | $17.13 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Jennifer van Warmerdam's medical specialty?
Dr. Jennifer van Warmerdam practices Orthopaedic Surgery Physician in San Francisco, CA.
Where does Dr. Jennifer van Warmerdam practice?
Dr. Jennifer van Warmerdam practices at 1 Shrader St, San Francisco, CA 941171016. Office phone: 4152210665.
What is Dr. Jennifer van Warmerdam's NPI?
Dr. Jennifer van Warmerdam's National Provider Identifier (NPI) is 1922232404, issued by NPPES.
Does Dr. Jennifer van Warmerdam accept Medicare assignment?
Yes. Dr. Jennifer van Warmerdam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer van Warmerdam commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (HCPCS J7325); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.