Gurcharn Singh, MD
Gastroenterology Physician · Lancaster, CA
Gurcharn Singh, MD is a gastroenterology physician with a practice address in Lancaster, California, and NPI 1871670091, issued on Nov 1, 2006. Check the license (California A49258, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gurcharn Singh
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A49258 CA
Self-reported in NPPES; status is on the state search - Practice location
- 43112 15TH St W, Lancaster, CA 93534
- Phone
- (661) 726-2500
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (661) 729-4026
- Medicare enrollment
- Enrolled (PECOS I20100104000201); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 43112 15TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vardan Babayan, PHARMD.Ambulatory Care Pharmacist1215486287
- Julia Backs, CPNP-PCNurse Practitioner1184091290
Verify Gurcharn Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average gastroenterology physician in 2024
1,476 Medicare Part D claims for 807 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 15 claims were for opioids.
Most prescribed
- Gavilyte-C673 claims
- Pantoprazole Sodium258 claims
- Omeprazole119 claims
- Mesalamine63 claims
- Budesonide Dr30 claims
- Nadolol30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gurcharn Singh among 2,140 gastroenterology physician records in California
Gurcharn Singh, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1981 · median 2002 among the 1,538 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Lancaster → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Prithviraj Dharmaraja, M.D.Lancaster, CA 935341932111424
- William Go, M.D.Lancaster, CA 935341992972715
- Taha Hamoui, MDLancaster, CA 935341265521520
- Sethu Madhavan, MDLancaster, CA 935341194732230
- Ramanbhai Patel, M.D.Lancaster, CA 935341720006992
- Canagartnam Pathmarajah, M.D.Lancaster, CA 935341568488245
- Kumaravel Perumalsamy, M.D.Lancaster, CA 935341851484323
- Jatinder Pruthi, M.D.Lancaster, CA 935341205852985
Common questions
What is Gurcharn Singh, MD's NPI number?
Gurcharn Singh, MD's National Provider Identifier (NPI) is 1871670091, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gurcharn Singh, MD located?
The NPPES record lists a practice address at 43112 15TH St W, Lancaster, CA, 93534. Phone: (661) 726-2500. Providers update this record themselves, so call before visiting.
How can I verify Gurcharn Singh, MD's license?
NPPES lists California license number A49258, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gurcharn Singh, MD prescribe under Medicare Part D?
In 2024, Gurcharn Singh, MD had 1,476 Medicare Part D claims for 807 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.