NPPES file of Aug 9, 2026

Rose Maria Cunningham-Ahumada, D.O.

Ophthalmology Physician · Santa Ana, CA

Rose Maria Cunningham-Ahumada, D.O. is an ophthalmology physician with a practice address in Santa Ana, California, and NPI 1811996523, issued on Jul 15, 2005. Check the license (California 20A8199, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811996523
Name
Rose Maria Cunningham-Ahumada
Credential
D.O.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
20A8199 CA
5101015522 MI
Self-reported in NPPES; status is on the state search
Practice location
2621 S Bristol St, Santa Ana, CA 92704
Phone
(714) 557-5777
Enumerated
Jul 15, 2005
Record last updated
Mar 22, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20051006000762); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2621 S Bristol St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Castro, DOInternal Medicine Physician1285777813
  2. Ma Angelica CuyuganFamily Nurse Practitioner1386195105
  3. Paul Han, DPMFoot & Ankle Surgery Podiatrist1972506988
  4. Alan Schwartz, MDInternal Medicine Physician1023183480
  5. Anil Shah, M.D.Specialist1619997368
  6. Stacey Shoop, M.D.Medical Physician Assistant1104222124

Verify Rose Maria Cunningham-Ahumada in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8199
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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60% more Medicare Part D claims than the average ophthalmology physician in 2024

2,422 Medicare Part D claims for 431 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Rose Cunningham-Ahumada2,422
  2. Specialty average1,518

Most prescribed

  1. Latanoprost592 claims
  2. Prednisolone Acetate220 claims
  3. Restasis212 claims
  4. Ketorolac Tromethamine173 claims
  5. Timolol Maleate169 claims
  6. Moxifloxacin167 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: $347.17

8 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rose Cunningham-Ahumada$347.17
  2. Specialty average$4,535.02

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

  1. Luis A Chanes M D IncSanta Ana, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rose Maria Cunningham-Ahumada among 2,899 ophthalmology physician records in California

Rose Maria Cunningham-Ahumada, D.O. is one of 2,899 ophthalmology physician records with a practice address in California. 79% 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, 91% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2001 · median 2001 among the 1,907 with a school on file
  • Record last updated2010 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Noor Amra, M.D.Santa Ana, CA 927041639336365
  2. Sheila Bazzaz, M.D.Santa Ana, CA 927041831140953
  3. Kevin Gustafson, MDSanta Ana, CA 927041093210981
  4. Kenneth Krantz, MDSanta Ana, CA 927041982629192
  5. Elizabeth Yang, M.D.Santa Ana, CA 927041679865257
  6. Paul Brailsford, M.D.Santa Ana, CA 927051770543118
  7. Sanford Chen, M.D.Santa Ana, CA 927051427051994
  8. Richard Hill, M.D.Santa Ana, CA 927051255482055

Common questions

What is Rose Maria Cunningham-Ahumada, D.O.'s NPI number?

Rose Maria Cunningham-Ahumada, D.O.'s National Provider Identifier (NPI) is 1811996523, issued on Jul 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Rose Maria Cunningham-Ahumada, D.O. located?

The NPPES record lists a practice address at 2621 S Bristol St, Santa Ana, CA, 92704. Phone: (714) 557-5777. Providers update this record themselves, so call before visiting.

How can I verify Rose Maria Cunningham-Ahumada, D.O.'s license?

NPPES lists California license number 20A8199, 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 Rose Maria Cunningham-Ahumada, D.O. prescribe under Medicare Part D?

In 2024, Rose Maria Cunningham-Ahumada, D.O. had 2,422 Medicare Part D claims for 431 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.