Doctor profile · Federal record
Dr. NEAL BIRNBAUM, M.D.
Rheumatology Physician (CMS: RHEUMATOLOGY) · SAN RAFAEL, CA
- NPI 1437142882
- MIPS 75.0 / 100 · 2023
- 56 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4000 CIVIC CENTER DR STE 200A
SAN RAFAEL, CA 949035233
(415) 464-9604
fax (415) 464-0171 - Additional location
-
2100 Webster St, STE 112
San Francisco, CA 941152373
(415) 923-3060
fax (415) 749-0841
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- March 14, 2025
- Year of graduation
- 1970 — 56 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #C36561
- Medicaid
- CA #GR0046000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437142882. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
24,979
Distinct HCPCS
10
Medicare allowed
$426,487
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1602 |
Injection, golimumab, 1 mg, for intravenous use | 21,943 | 27 | $13 | |
J0897 |
Injection, denosumab, 1 mg | 2,100 | 21 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 224 | 148 | $149 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 170 | 42 | $84 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 168 | 32 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 167 | 121 | $107 | |
J3489 |
Injection, zoledronic acid, 1 mg | 60 | 12 | $10 | |
96401 |
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | 47 | 27 | $96 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 41 | 41 | $194 | |
20610 |
Aspiration and/or injection of fluid from large joint | 27 | 18 | $83 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 2,081. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$23,460
Transactions
141
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 31 | $18,183.21 | |
| Amgen Inc. | 18 | $3,091.53 | |
| Janssen Biotech, Inc. | 28 | $582.31 | |
| Novartis Pharmaceuticals Corporation | 28 | $544.72 | |
| UCB, Inc. | 11 | $334.83 | |
| AstraZeneca Pharmaceuticals LP | 6 | $187.36 | |
| PFIZER INC. | 4 | $123.61 | |
| Fresenius Kabi USA, LLC | 3 | $98.61 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $89.33 | |
| Biocon Biologics Inc | 2 | $53.31 | |
| Radius Health, Inc. | 2 | $52.59 | |
| GENZYME CORPORATION | 1 | $33.14 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $31.28 | |
| Organon Llc | 1 | $28.83 | |
| Genentech USA, Inc. | 1 | $25.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,280
Patients
270
Total drug cost
$2,841,199
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 319 | 106 | $5,115 |
| Hydroxychloroquine Sulfate | Generic | 212 | 57 | $15,505 |
| Methotrexate (Methotrexate Sodium) | Brand | 178 | 52 | $9,380 |
| Humira(Cf) Pen (Adalimumab) | Brand | 112 | 13 | $857,314 |
| Allopurinol | Generic | 92 | 26 | $1,840 |
| Enbrel (Etanercept) | Brand | 73 | 0 | $566,228 |
| Enbrel Sureclick (Etanercept) | Brand | 59 | 0 | $458,305 |
| Rinvoq (Upadacitinib) | Brand | 41 | 0 | $288,218 |
| Humira(Cf) (Adalimumab) | Brand | 40 | 0 | $304,956 |
| Folic Acid | Generic | 32 | 0 | $143 |