Louis Zhang, MD
Vascular Surgery Physician · Monterey, CA
Louis Zhang, MD is a vascular surgery physician with a practice address in Monterey, California, and NPI 1952843757, issued on Nov 9, 2016. Check the license (California 145846, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Louis Zhang
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- 145846 CA
MC-2209 ID
MD61141095 WA
Self-reported in NPPES; status is on the state search - Practice location
- 23845 Holman Hwy Ste 105, Monterey, CA 93940
- Phone
- (831) 333-3040
- Enumerated
- Nov 9, 2016
- Record last updated
- Feb 17, 2026
- Fax
- (831) 886-3647
- Medicare enrollment
- Enrolled (PECOS I20260120002413); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 580 in California → Look up another NPI →
Verify Louis Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 145846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average vascular surgery physician in 2024
42 Medicare Part D claims for 32 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen19 claims
- Clopidogrel12 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: $918.90
12 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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.
2 hospitals and group practices
- Community Hospital OF The Monterey PeninsulaMonterey, CA · Acute Care Hospitals4 of 5 stars
- Montage Medical GroupMonterey, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Louis Zhang among 580 vascular surgery physician records in California
Louis Zhang, MD is one of 580 vascular surgery physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 87% of them.
- NPI issued2016 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2015 · median 2003 among the 411 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
All 580 in California → Every provider in Monterey → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Emaad Farooqui, M.D.Monterey, CA 939401578973467
- David Smith, M.D.Salinas, CA 939081740282250
- Jamil Matthews, M.D.Salinas, CA 939011790070969
- Esther Bae, DOBurlingame, CA 940101609147453
- Dirk Baumann, M.D.Burlingame, CA 940101013058122
- John Beare, M.D.Burlingame, CA 940101801938485
- Arielle Lee, M.D.Burlingame, CA 940101295186245
- Stephanie Lin, MDBurlingame, CA 940101598839052
Common questions
What is Louis Zhang, MD's NPI number?
Louis Zhang, MD's National Provider Identifier (NPI) is 1952843757, issued on Nov 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Louis Zhang, MD located?
The NPPES record lists a practice address at 23845 Holman Hwy Ste 105, Monterey, CA, 93940. Phone: (831) 333-3040. Providers update this record themselves, so call before visiting.
How can I verify Louis Zhang, MD's license?
NPPES lists California license number 145846, 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 Louis Zhang, MD prescribe under Medicare Part D?
In 2024, Louis Zhang, MD had 42 Medicare Part D claims for 32 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.