Ronald Allen Friedman, MD
Ophthalmology Physician · Monterey, CA
Ronald Allen Friedman, MD is an ophthalmology physician with a practice address in Monterey, California, and NPI 1154307767, issued on Dec 16, 2005. Check the license (California G49442, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald Allen Friedman
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G49442 CA
Self-reported in NPPES; status is on the state search - Practice location
- 798 Cass Street, Monterey, CA 93940
- Phone
- (831) 375-2486
- Enumerated
- Dec 16, 2005
- Record last updated
- Feb 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (834) 375-0128
- Medicaid ID
- GR0077640 CA
- Medicare enrollment
- Enrolled (PECOS I20040217001200); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1979
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Verify Ronald Allen Friedman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G49442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average ophthalmology physician in 2024
277 Medicare Part D claims for 88 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost80 claims
- Timolol Maleate39 claims
- Erythromycin20 claims
- Combigan19 claims
- Tobramycin-Dexamethasone19 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 MIPS final score for 2023 (Medicare payment program): 30 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $59.12
2 payments; by number, the most common kind was food and beverage; the largest payer was Lombart Brothers, 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.
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
- Juliet Del Piero MD IncCarmel Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Allen Friedman among 2,899 ophthalmology physician records in California
Ronald Allen Friedman, MD 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
- Graduated1979 · median 2001 among the 1,907 with a school on file
- Record last updated2013 · 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.
All 2,899 in California → Every provider in Monterey → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Eric Del Piero, M.D.Monterey, CA 939401790879369
- Juliet Del Piero, MDMonterey, CA 939401568966000
- Gustavo Gonzalez, MDMonterey, CA 939401558354332
- James Halpern, MDMonterey, CA 939401932618626
- Philip Penrose, M.D.Monterey, CA 939401245288547
- Leland Rosenblum, M.D.Monterey, CA 939401982652905
- Charles Whisler, MDMonterey, CA 939401073516597
- Geoffrey White, M.D.Monterey, CA 939401346398740
Common questions
What is Ronald Allen Friedman, MD's NPI number?
Ronald Allen Friedman, MD's National Provider Identifier (NPI) is 1154307767, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Allen Friedman, MD located?
The NPPES record lists a practice address at 798 Cass Street, Monterey, CA, 93940. Phone: (831) 375-2486. Providers update this record themselves, so call before visiting.
How can I verify Ronald Allen Friedman, MD's license?
NPPES lists California license number G49442, 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 Ronald Allen Friedman, MD prescribe under Medicare Part D?
In 2024, Ronald Allen Friedman, MD had 277 Medicare Part D claims for 88 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Ronald Allen Friedman, MD's MIPS final score?
The 2023 MIPS final score is 30 of 100. 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.