Jan Kamler, MD
Gastroenterology Physician · Monterey, CA
Jan Kamler, MD is a gastroenterology physician with a practice address in Monterey, California, and NPI 1093791824, issued on Dec 22, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jan Kamler
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 9835 NV
Self-reported in NPPES; status is on the state search - Practice location
- 23 Upper Ragsdale Dr Ste 200, Monterey, CA 93940
- Phone
- (831) 375-3577
- Enumerated
- Dec 22, 2005
- Record last updated
- Dec 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (831) 375-1478
- Medicaid ID
- 2016772 NV
- Medicare enrollment
- Enrolled (PECOS I20150914000468); 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 23 Upper Ragsdale Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harita Bhatt, PAPhysician Assistant1689462517
- Steve HuGastroenterology Physician1568880508
- Michelle KeungPhysician Assistant1730864992
- Alexandra Lathos, MSN, APRN,FNP-C, ATCFamily Nurse Practitioner1588166375
- David Parsons, MDGastroenterology Physician1659812915
- Maheep SanghaInternal Medicine Physician1700225703
Verify Jan Kamler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average gastroenterology physician in 2024
1,605 Medicare Part D claims for 501 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Pantoprazole Sodium628 claims
- Famotidine364 claims
- Sod Sulf-Potass Sulf-Mag Sulf173 claims
- Peg 3350-Electrolyte65 claims
- Loperamide41 claims
- Dicyclomine Hcl29 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $18,584.91
35 payments; by number, the most common kind was food and beverage; the largest payer was Micro-tech Endoscopy USA, 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
- Monterey Bay GI Consultants Medical Group IncMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jan Kamler among 2,140 gastroenterology physician records in California
Jan Kamler, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1985 · median 2002 among the 1,538 with a school on file
- Record last updated2020 · 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 Monterey → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- James Di Sario, M.D.Monterey, CA 939401376553180
- Jeffrey Fiorenza, M.D.Monterey, CA 939401851577605
- Lloyd Garren, M.D.Monterey, CA 939401841200565
- Mary Garren, M.D.Monterey, CA 939401801806567
- Richard Hell, M.D.Monterey, CA 939401114937927
- Steve HuMonterey, CA 939401568880508
- Toby Katz, M.D.Monterey, CA 939401336159052
- Michael Le, M.D.Monterey, CA 939401427382985
Common questions
What is Jan Kamler, MD's NPI number?
Jan Kamler, MD's National Provider Identifier (NPI) is 1093791824, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jan Kamler, MD located?
The NPPES record lists a practice address at 23 Upper Ragsdale Dr Ste 200, Monterey, CA, 93940. Phone: (831) 375-3577. Providers update this record themselves, so call before visiting.
How can I verify Jan Kamler, MD's license?
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 Jan Kamler, MD prescribe under Medicare Part D?
In 2024, Jan Kamler, MD had 1,605 Medicare Part D claims for 501 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Jan Kamler, MD's MIPS final score?
The 2023 MIPS final score is 83.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.