Jonathan Sam Davidson, M.D.
Gastroenterology Physician · Sacramento, CA
Jonathan Sam Davidson, M.D. is a gastroenterology physician with a practice address in Sacramento, California, and NPI 1295891224, issued on Dec 27, 2006. Check the license (California G66389, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan Sam Davidson
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G66389 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2288 Auburn Blvd Ste 101, Sacramento, CA 95821
- Phone
- (916) 699-8592
- Enumerated
- Dec 27, 2006
- Record last updated
- Aug 22, 2025
- Medicaid ID
- 1295891224 CA
- Medicare enrollment
- Enrolled (PECOS I20091102000219); 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 →
Verify Jonathan Sam Davidson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66389Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average gastroenterology physician in 2024
477 Medicare Part D claims for 359 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Peg-3350 And Electrolytes193 claims
- Gavilyte-G169 claims
- Omeprazole51 claims
- Gavilyte-C17 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: $520.37
32 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.
Jonathan Sam Davidson among 2,140 gastroenterology physician records in California
Jonathan Sam Davidson, 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
- Graduated1988 · median 2002 among the 1,538 with a school on file
- Record last updated2025 · 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 Sacramento → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Arenson, MDSacramento, CA 958191588790059
- Rekha Cheruvattath, MDSacramento, CA 958231891779740
- Don Finegold, MDSacramento, CA 958231972681609
- Gautam Gandhi, MDSacramento, CA 958191881720340
- Jeffrey Goldstein, MDSacramento, CA 958191134255698
- Jason Guardino, D.O.Sacramento, CA 958231033245816
- Edwin Gyorffy, MDSacramento, CA 958231336291558
- John Hata, M.D.Sacramento, CA 958231205800042
Common questions
What is Jonathan Sam Davidson, M.D.'s NPI number?
Jonathan Sam Davidson, M.D.'s National Provider Identifier (NPI) is 1295891224, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Sam Davidson, M.D. located?
The NPPES record lists a practice address at 2288 Auburn Blvd Ste 101, Sacramento, CA, 95821. Phone: (916) 699-8592. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Sam Davidson, M.D.'s license?
NPPES lists California license number G66389, 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 Jonathan Sam Davidson, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Sam Davidson, M.D. had 477 Medicare Part D claims for 359 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.