Lauren Hershaal Cohen, MD
Internal Medicine Physician · San Francisco, CA
Lauren Hershaal Cohen, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1922700483, issued on Mar 20, 2023. Check the license (California A209212, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lauren Hershaal Cohen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A209212 CA
Self-reported in NPPES; status is on the state search - Practice location
- 521 Parnassus Ave, San Francisco, CA 94143
- Phone
- (415) 476-1000
- Enumerated
- Mar 20, 2023
- Record last updated
- May 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20260527003679); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 521 Parnassus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lauren Hershaal Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A209212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
303 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium19 claims
- Losartan Potassium15 claims
- Furosemide14 claims
- Duloxetine Hcl13 claims
- Albuterol Sulfate Hfa11 claims
- Levothyroxine Sodium11 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.
Lauren Hershaal Cohen among 17,696 internal medicine physician records in California
Lauren Hershaal Cohen, MD is one of 17,696 internal medicine 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 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2022 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Katherine Julian, MDSan Francisco, CA 941431003879826
- John Kane, MDSan Francisco, CA 941431467416461
- Suneil Koliwad, M.D., PH.D.San Francisco, CA 941431225006687
- Bernard Lo, MDSan Francisco, CA 941431184688137
- Stephen McPhee, MDSan Francisco, CA 941431124082490
- Andrew Posselt, MDSan Francisco, CA 941431235193616
Common questions
What is Lauren Hershaal Cohen, MD's NPI number?
Lauren Hershaal Cohen, MD's National Provider Identifier (NPI) is 1922700483, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Hershaal Cohen, MD located?
The NPPES record lists a practice address at 521 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.
How can I verify Lauren Hershaal Cohen, MD's license?
NPPES lists California license number A209212, 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 Lauren Hershaal Cohen, MD prescribe under Medicare Part D?
In 2024, Lauren Hershaal Cohen, MD had 303 Medicare Part D claims for 61 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.