Doctor profile · Federal record
Dr. Frances Lu, MD
Gastroenterology Physician (CMS: Gastroenterology) · Santa Rosa, CA
- NPI 1942445374
- Accepts Medicare
- 24 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
500 Doyle Park Dr Ste 205
Santa Rosa, CA 954054559
(707) 303-8350 - Additional location
-
1 Quality Dr
Vacaville, CA 956889494
(707) 624-2668 - Mailing address
-
485 Beacon Ridge Ln
Walnut Creek, CA 945972900
Credentials & registration
- NPI registered
- December 2008 — 18 yrs on file
- Profile last updated
- December 3, 2021
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #101544
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942445374. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
878
Distinct HCPCS
10
Medicare allowed
$131,604
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 142 | 141 | $257 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 118 | 115 | $91 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 110 | 110 | $96 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 86 | 78 | $181 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 50 | 50 | $190 | |
45381 |
Injection beneath lining of large bowel using a flexible endoscope | 46 | 46 | $17 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 38 | 38 | $236 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 36 | 32 | $139 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 35 | 32 | $138 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 34 | 34 | $105 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 52. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$1,456
Transactions
35
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 16 | $1,015.73 | |
| Gilead Sciences, Inc. | 6 | $118.13 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 5 | $117.70 | |
| Janssen Biotech, Inc. | 4 | $96.14 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $36.45 | |
| PFIZER INC. | 1 | $28.78 | |
| Fresenius Kabi USA, LLC | 1 | $23.28 | |
| Merck Sharp & Dohme LLC | 1 | $19.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
563
Patients
385
Total drug cost
$25,167
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 192 | 191 | $3,313 |
| Omeprazole | Generic | 120 | 60 | $2,322 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 56 | 56 | $4,361 |
| Pantoprazole Sodium | Generic | 48 | 21 | $1,358 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 28 | 0 | $631 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 27 | 27 | $715 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 23 | 16 | $2,215 |
| Famotidine | Generic | 17 | 0 | $202 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 15 | 14 | $295 |
| Mesalamine | Generic | 14 | 0 | $9,418 |
Frequently asked questions
What is Dr. Frances Lu's medical specialty?
Dr. Frances Lu practices Gastroenterology Physician in Santa Rosa, CA.
Where does Dr. Frances Lu practice?
Dr. Frances Lu practices at 500 Doyle Park Dr Ste 205, Santa Rosa, CA 954054559. Office phone: 7073038350.
What is Dr. Frances Lu's NPI?
Dr. Frances Lu's National Provider Identifier (NPI) is 1942445374, issued by NPPES.
Does Dr. Frances Lu accept Medicare assignment?
Yes. Dr. Frances Lu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frances Lu commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.