Dana Walter Ludwig, M.D.
Family Medicine Physician · Foster City, CA
Dana Walter Ludwig, M.D. is a family medicine physician with a practice address in Foster City, California, and NPI 1700963360, issued on Nov 1, 2006. Check the license (California G42701, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dana Walter Ludwig
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G42701 CA
Self-reported in NPPES; status is on the state search - Practice location
- 336 Dolphin Isle, Foster City, CA 94404
- Phone
- (650) 303-0886
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Dana Walter Ludwig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G42701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dana Walter Ludwig among 17,133 family medicine physician records in California
Dana Walter Ludwig, M.D. 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 not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 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).
3 family medicine physician records list a practice address in Foster City
They are 3 of the 242 NPPES records with a practice address in Foster City, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in Foster City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lauren Quan, MDFoster City, CA 944041497318166
- Alicea Wu, M.D.Foster City, CA 944041659409456
- Eliane Bitar, MDSan Mateo, CA 944031679036875
- Deepal Chhaganlal, MDSan Mateo, CA 944031225692122
- Pritty Dwivedy, DOSan Mateo, CA 944031144915653
- Sana Jivraj, MDSan Mateo, CA 944031881047181
- Scott Morrow, MD MPH MBASan Mateo, CA 944031548316342
- Margaret Murray, MDSan Mateo, CA 944031275093957
Common questions
What is Dana Walter Ludwig, M.D.'s NPI number?
Dana Walter Ludwig, M.D.'s National Provider Identifier (NPI) is 1700963360, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dana Walter Ludwig, M.D. located?
The NPPES record lists a practice address at 336 Dolphin Isle, Foster City, CA, 94404. Phone: (650) 303-0886. Providers update this record themselves, so call before visiting.
How can I verify Dana Walter Ludwig, M.D.'s license?
NPPES lists California license number G42701, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.