Gurcharn Singh, MD
NPI 1871670091 · Gastroenterology Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gurcharn Singh, MD is a Gastroenterology Physician provider in Lancaster, CA (NPI 1871670091).
Provider details
- NPI number
- 1871670091
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A49258 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 673 | 622 |
| Pantoprazole Sodium | 258 | 89 |
| Omeprazole | 119 | 42 |
| Mesalamine | 63 | 21 |
| Budesonidebrand: Budesonide Dr | 30 | — |
| Nadolol | 30 | 13 |
| Adefovir Dipivoxil | 29 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-02
Frequently asked questions
- What is Gurcharn Singh's NPI number?
- Gurcharn Singh's National Provider Identifier (NPI) is 1871670091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gurcharn Singh's specialty?
- Gurcharn Singh is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gurcharn Singh located?
- Gurcharn Singh's practice location on file with NPPES is 43112 15th St W, Lancaster, CA 93534-6219.
- What is Gurcharn Singh's phone number?
- The practice phone number listed in the NPPES registry for Gurcharn Singh is (661) 726-2500.
- Does Gurcharn Singh accept Medicare?
- Gurcharn Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gurcharn Singh's NPI active?
- Yes — Gurcharn Singh's NPI (1871670091) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.