Neophytos Costas Zambas, MD
Family Medicine Physician · Redwood City, CA
Neophytos Costas Zambas, MD is a family medicine physician with a practice address in Redwood City, California, and NPI 1609437516, issued on Jun 23, 2019. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Neophytos Costas Zambas
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25MA11518700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 401 Warren St Ste 300, Redwood City, CA 94063
- Phone
- (240) 693-3281
- Enumerated
- Jun 23, 2019
- Record last updated
- Jul 16, 2026
- Fax
- (207) 881-4056
- Medicare enrollment
- Enrolled (PECOS I20251218004445); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 401 Warren St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geny Augustine, MDFamily Medicine Physician1083108401
- Jai Gandhi, M.D.Psychiatry Physician1952745424
Verify Neophytos Costas Zambas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
101 Medicare Part D claims for 60 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate14 claims
- Prednisone11 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
- Solace Health Medical Group IncState College, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neophytos Costas Zambas among 17,133 family medicine physician records in California
Neophytos Costas Zambas, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Redwood City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Geny Augustine, MDRedwood City, CA 940631083108401
- Kelley Brinsky, DORedwood City, CA 940631578977336
- Amisha Chhipwadia, MDRedwood City, CA 940631114037264
- Alan Galitz, MDRedwood City, CA 940631699853259
- Lizzy Hsu, MDRedwood City, CA 940631376695171
- Andrew Hwang, MDRedwood City, CA 940631740505825
- Ahalya Joisha, M.DRedwood City, CA 940631760536577
- Sung Knueppel, MDRedwood City, CA 940631407967680
Common questions
What is Neophytos Costas Zambas, MD's NPI number?
Neophytos Costas Zambas, MD's National Provider Identifier (NPI) is 1609437516, issued on Jun 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Neophytos Costas Zambas, MD located?
The NPPES record lists a practice address at 401 Warren St Ste 300, Redwood City, CA, 94063. Phone: (240) 693-3281. Providers update this record themselves, so call before visiting.
How can I verify Neophytos Costas Zambas, MD's license?
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 Neophytos Costas Zambas, MD prescribe under Medicare Part D?
In 2024, Neophytos Costas Zambas, MD had 101 Medicare Part D claims for 60 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.