Nathan Reuven Stein, MD
Cardiovascular Disease Physician · San Diego, CA
Nathan Reuven Stein, MD is a cardiovascular disease physician with a practice address in San Diego, California, and NPI 1073044970, issued on Mar 22, 2017. Check the license (California A159770, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan Reuven Stein
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A159770 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5251 Viewridge CT, San Diego, CA 92123
- Phone
- (877) 236-0333
- Enumerated
- Mar 22, 2017
- Record last updated
- Aug 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20231017002987); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 5251 Viewridge CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathan Reuven Stein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A159770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
1,962 Medicare Part D claims for 507 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Tartrate169 claims
- Metoprolol Succinate162 claims
- Atorvastatin Calcium152 claims
- Furosemide149 claims
- Losartan Potassium122 claims
- Pradaxa121 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 GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Reuven Stein among 2,574 cardiovascular disease physician records in California
Nathan Reuven Stein, MD 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 2017, is newer than 91% of them.
- NPI issued2017 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2017 · median 1999 among the 1,742 with a school on file
- Record last updated2025 · 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 San Diego → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Mary Bechis, M.D.San Diego, CA 921231740500115
- Jiken Bhatt, MDSan Diego, CA 921231972921088
- Alan Bier, M.D.San Diego, CA 921231518975705
- Kavita Kumar, M.D.San Diego, CA 921231477534113
- David Marsh, M.D.San Diego, CA 921231881685006
- Ronald Miller, M.D.San Diego, CA 921231386625069
- Jayson Morgan, M.D.San Diego, CA 921231932425345
- Brian West, M.D.San Diego, CA 921231306130380
Common questions
What is Nathan Reuven Stein, MD's NPI number?
Nathan Reuven Stein, MD's National Provider Identifier (NPI) is 1073044970, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Reuven Stein, MD located?
The NPPES record lists a practice address at 5251 Viewridge CT, San Diego, CA, 92123. Phone: (877) 236-0333. Providers update this record themselves, so call before visiting.
How can I verify Nathan Reuven Stein, MD's license?
NPPES lists California license number A159770, 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 Nathan Reuven Stein, MD prescribe under Medicare Part D?
In 2024, Nathan Reuven Stein, MD had 1,962 Medicare Part D claims for 507 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.