Gaspar M. Nazareno, M.D.
Gastroenterology Physician · Modesto, CA
Gaspar M. Nazareno, M.D. is a gastroenterology physician with a practice address in Modesto, California, and NPI 1326096603, issued on May 5, 2006. Check the license (California A68335, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gaspar M. Nazareno
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A68335 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1409 E Briggsmore Ave, Modesto, CA 95355
- Phone
- (209) 550-4750
- Enumerated
- May 5, 2006
- Record last updated
- Nov 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00A683350 CA
- Medicare enrollment
- Enrolled (PECOS I20050103000485); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1409 E Briggsmore Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robert Altman, MDObstetrics & Gynecology Physician1447200860
- Shawna Avery, OTCOther Technician1477613883
- James Balmanno, OTCOther Technician1912074568
- Sean Betesh, DPMPodiatrist1982023842
- David Boone, PA-CMedical Physician Assistant1861895278
Verify Gaspar M. Nazareno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A68335Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average gastroenterology physician in 2024
1,385 Medicare Part D claims for 371 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole131 claims
- Pantoprazole Sodium76 claims
- Sod Sulf-Potass Sulf-Mag Sulf76 claims
- Buspirone Hcl55 claims
- Mesalamine54 claims
- Famotidine51 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.
Industry payments in 2024: $536.03
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gaspar M. Nazareno among 2,140 gastroenterology physician records in California
Gaspar M. Nazareno, M.D. 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
- Graduated1993 · median 2002 among the 1,538 with a school on file
- Record last updated2010 · 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 Modesto → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Safwat Absood, M.D.Modesto, CA 953551932113891
- Pardeep Brar, MD,Modesto, CA 953551538153713
- Jamie Byun, MDModesto, CA 953551306341953
- Vida ChenModesto, CA 953551922480789
- Richard Fisher, MDModesto, CA 953551295785798
- Ambrish Ghumman, M.D.Modesto, CA 953551093019929
- Raman Khehra, MDModesto, CA 953551548425382
- Navim Mobin, MDModesto, CA 953551134625304
Common questions
What is Gaspar M. Nazareno, M.D.'s NPI number?
Gaspar M. Nazareno, M.D.'s National Provider Identifier (NPI) is 1326096603, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gaspar M. Nazareno, M.D. located?
The NPPES record lists a practice address at 1409 E Briggsmore Ave, Modesto, CA, 95355. Phone: (209) 550-4750. Providers update this record themselves, so call before visiting.
How can I verify Gaspar M. Nazareno, M.D.'s license?
NPPES lists California license number A68335, 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 Gaspar M. Nazareno, M.D. prescribe under Medicare Part D?
In 2024, Gaspar M. Nazareno, M.D. had 1,385 Medicare Part D claims for 371 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.