Ron Schnitzer, M.D.
Cardiovascular Disease Physician · Mission Viejo, CA
Ron Schnitzer, M.D. is a cardiovascular disease physician with a practice address in Mission Viejo, California, and NPI 1639374598, issued on Jun 19, 2007. Check the license (California A88499, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ron Schnitzer
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A88499 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27800 Medical Center RD, Mission Viejo, CA 92691
- Phone
- (949) 276-2446
- Enumerated
- Jun 19, 2007
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 276-2449
- Medicare enrollment
- Enrolled (PECOS I20051130000812); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 27800 Medical Center RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lisa Bretches, N.P.Pediatric Nurse Practitioner1477890242
- Andrew ChangPediatric Dentistry1083992994
- Sabrina Cooley, MDFamily Medicine Physician1629272588
- Atria DehmoobadClinical Social Worker1922966340
- Kimberly Douglas, MDPediatrics Physician1619017670
Verify Ron Schnitzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,465 Medicare Part D claims for 681 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Pradaxa353 claims
- Metoprolol Tartrate248 claims
- Amlodipine Besylate221 claims
- Atorvastatin Calcium186 claims
- Furosemide181 claims
- Atenolol155 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSimi Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ron Schnitzer among 2,574 cardiovascular disease physician records in California
Ron Schnitzer, M.D. is one of 2,574 cardiovascular disease 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 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2002 · median 1999 among the 1,742 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Mission Viejo → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Bennett Cua, M.D.Mission Viejo, CA 926911962791772
- Stephen Ehrlich, M.D.Mission Viejo, CA 926911700862547
- Tze Ip, M.D.Mission Viejo, CA 926911316924947
- Richard Jacob, M.D.Mission Viejo, CA 926911093792640
- Sheri Koplik, M.D.Mission Viejo, CA 926911902959612
- Michael Miyamoto, M.D.Mission Viejo, CA 926911841277167
- Huy Nguyen, MDMission Viejo, CA 926911851514640
- Donald Rediker, M.D.Mission Viejo, CA 926911144207333
Common questions
What is Ron Schnitzer, M.D.'s NPI number?
Ron Schnitzer, M.D.'s National Provider Identifier (NPI) is 1639374598, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ron Schnitzer, M.D. located?
The NPPES record lists a practice address at 27800 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 276-2446. Providers update this record themselves, so call before visiting.
How can I verify Ron Schnitzer, M.D.'s license?
NPPES lists California license number A88499, 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 Ron Schnitzer, M.D. prescribe under Medicare Part D?
In 2024, Ron Schnitzer, M.D. had 3,465 Medicare Part D claims for 681 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.