Merle Stanley Robboy, MD
Obstetrics & Gynecology Physician · Newport Beach, CA
Merle Stanley Robboy, MD is an obstetrics & gynecology physician with a practice address in Newport Beach, California, and NPI 1639122799, issued on May 18, 2006. Check the license (California C28448, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Merle Stanley Robboy
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- C28448 CA
35028296 OH
Self-reported in NPPES; status is on the state search - Practice location
- 355 Placentia Ave, Newport Beach, CA 92663
- Phone
- (949) 722-7170
- Enumerated
- May 18, 2006
- Record last updated
- Feb 16, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (949) 722-7990
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 355 Placentia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rena Ahuja, M.D.Internal Medicine Physician1710054127
- Jeff Altman, M.D.Physical Medicine & Rehabilitation Physician1841381878
- Darel Benvenuti, MDCardiovascular Disease Physician1912915364
- David Benvenuti, MDPlastic and Reconstructive Surgery Physician1174639405
- Dasun Chen, M.D.Otolaryngology Physician1881884591
- James Fondren, M.D.Internal Medicine Physician1598781213
Verify Merle Stanley Robboy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C28448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
42 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol11 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: $36.84
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Merle Stanley Robboy among 5,088 obstetrics & gynecology physician records in California
Merle Stanley Robboy, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Newport Beach → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Richard Agnew, MD OB GYNNewport Beach, CA 926631629089206
- William Clayton, MDNewport Beach, CA 926631366525586
- Bernard Feldman, M.DNewport Beach, CA 926631558380048
- Rhonda Flora, M.D.Newport Beach, CA 926631720160583
- Deborah Grouse, MDNewport Beach, CA 926631669408076
- Chai-Lin Hsu, M.D.Newport Beach, CA 926631336191386
- Lisa Karamardian, M.D.Newport Beach, CA 926631922053644
- Patricia Keresztes-Korber, M.DNewport Beach, CA 926631780616805
Common questions
What is Merle Stanley Robboy, MD's NPI number?
Merle Stanley Robboy, MD's National Provider Identifier (NPI) is 1639122799, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Merle Stanley Robboy, MD located?
The NPPES record lists a practice address at 355 Placentia Ave, Newport Beach, CA, 92663. Phone: (949) 722-7170. Providers update this record themselves, so call before visiting.
How can I verify Merle Stanley Robboy, MD's license?
NPPES lists California license number C28448, 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 Merle Stanley Robboy, MD prescribe under Medicare Part D?
In 2024, Merle Stanley Robboy, MD had 42 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.