Ronald N. Adamany, M.D.
Gastroenterology Physician · Mission Viejo, CA
Ronald N. Adamany, M.D. is a gastroenterology physician with a practice address in Mission Viejo, California, and NPI 1992780688, issued on Dec 14, 2005. Check the license (California G54976, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald N. Adamany
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G54976 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27871 Medical Center RD, Mission Viejo, CA 92691
- Phone
- (949) 364-5090
- Enumerated
- Dec 14, 2005
- Record last updated
- Jan 23, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (949) 542-8710
- Medicaid ID
- 00G549760 CA
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 27871 Medical Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward Block, M.D.Gastroenterology Physician1811973860
- Luis Chanes, M.D.Ophthalmology Physician1043277361
- Elmer Chang, M.D.Gastroenterology Physician1912083353
- Daniel Cohen, D.D.S.General Practice Dentistry1396825626
- Alice Daugherty, NURSE PRACTITIONERFamily Nurse Practitioner1083621270
Verify Ronald N. Adamany in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $797.02
30 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.
Ronald N. Adamany among 2,140 gastroenterology physician records in California
Ronald N. Adamany, 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 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 fileNo · 72% of these records are
- Record last updated2013 · 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 Mission Viejo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Wanjun Bae, M.D.Mission Viejo, CA 926911457433906
- Edward Block, M.D.Mission Viejo, CA 926911811973860
- Elmer Chang, M.D.Mission Viejo, CA 926911912083353
- Om Chaurasia, MDMission Viejo, CA 926911528136702
- Jack Feng, M.D.Mission Viejo, CA 926911710964481
- Shahram Javaheri, M.D.Mission Viejo, CA 926911497861439
- Jae Lee, M.D.Mission Viejo, CA 926911194702563
- Nader Mirhoseni, M.D.Mission Viejo, CA 926911588645964
Common questions
What is Ronald N. Adamany, M.D.'s NPI number?
Ronald N. Adamany, M.D.'s National Provider Identifier (NPI) is 1992780688, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald N. Adamany, M.D. located?
The NPPES record lists a practice address at 27871 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 364-5090. Providers update this record themselves, so call before visiting.
How can I verify Ronald N. Adamany, M.D.'s license?
NPPES lists California license number G54976, 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.
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.