Doctor profile · Federal record
Dr. DIANA LAU, MD
Rheumatology Physician (CMS: RHEUMATOLOGY) · Internal Medicine Physician · WOODLAND, CA
- NPI 1770506537
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
632 W GIBSON RD
WOODLAND, CA 95695
(530) 666-1631
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- May 7, 2008
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #G77103
- Medicaid
- CA #00G771030
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770506537. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,782
Distinct HCPCS
5
Medicare allowed
$190,086
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 1,620 | 19 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 943 | 372 | $135 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 111 | 93 | $95 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 77 | 77 | $176 | |
96372 |
Injection of drug or substance under skin or into muscle | 31 | 23 | $15 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 406. This provider delivers 6.9× the peer median.Open Payments
Industry payments received
All-time total
$1,282
Transactions
12
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 3 | $258.05 | |
| Janssen Biotech, Inc. | 2 | $245.91 | |
| UCB, Inc. | 2 | $166.00 | |
| Amgen Inc. | 1 | $137.46 | |
| Alexion Pharmaceuticals, Inc. | 1 | $127.25 | |
| Lilly USA, LLC | 1 | $123.28 | |
| GlaxoSmithKline, LLC. | 1 | $119.14 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $104.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,164
Patients
748
Total drug cost
$3,554,278
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 640 | 179 | $7,586 |
| Methotrexate (Methotrexate Sodium) | Brand | 617 | 149 | $23,298 |
| Hydroxychloroquine Sulfate | Generic | 596 | 150 | $33,298 |
| Enbrel Sureclick (Etanercept) | Brand | 244 | 29 | $2,010,830 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 158 | 21 | $3,482 |
| Leflunomide | Generic | 157 | 39 | $14,235 |
| Humira(Cf) Pen (Adalimumab) | Brand | 135 | 16 | $1,079,076 |
| Diclofenac Sodium | Generic | 130 | 45 | $3,765 |
| Gabapentin | Generic | 102 | 31 | $2,583 |
| Tramadol Hcl | Generic | 90 | 21 | $608 |