Frances Lee, DO
NPI 1881952737 · Gastroenterology Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frances Lee, DO is a Gastroenterology Physician provider in Fairfield, CA (NPI 1881952737).
Provider details
- NPI number
- 1881952737
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,360 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 280 | $143 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 217 | $18 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 169 | $135 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 156 | $187 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 228 | 222 |
| Pantoprazole Sodium | 178 | 62 |
| Omeprazole | 95 | 44 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 26 | 26 |
| Famotidine | 25 | 14 |
| Linaclotidebrand: Linzess | 22 | — |
| Dicyclomine Hcl | 21 |
Practice location
Mailing address
Additional practice locations (1)
- 11234 Anderson StGme Office Csp 21005Loma Linda, CA 92354-2804Phone: (909) 558-4074
Registry dates
- Enumerated
- 2012-04-29
- Last updated
- 2018-07-05
Frequently asked questions
- What is Frances Lee's NPI number?
- Frances Lee's National Provider Identifier (NPI) is 1881952737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frances Lee's specialty?
- Frances Lee is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Frances Lee located?
- Frances Lee's practice location on file with NPPES is 2702 Low Ct, Fairfield, CA 94534.
- What is Frances Lee's phone number?
- The practice phone number listed in the NPPES registry for Frances Lee is (707) 427-4900.
- Does Frances Lee accept Medicare?
- Frances Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frances Lee's NPI active?
- Yes — Frances Lee's NPI (1881952737) is active in the NPPES registry as of the last update on 2018-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.