Cynthia Mary Williams, D.O.
Hospice and Palliative Medicine (Family Medicine) Physician · San Diego, CA
Cynthia Mary Williams, D.O. is a hospice and palliative medicine (family medicine) physician with a practice address in San Diego, California, and NPI 1932124153, issued on Jul 12, 2006. Check the license (California 20A5305, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cynthia Mary Williams
- Credential
- D.O.
- Primary taxonomy
- Hospice and Palliative Medicine (Family Medicine) Physician 207QH0002X
- License numbers
- 20A5305 CA
H0058032 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1247 Pennsylvania Ave, San Diego, CA 92103
- Phone
- (301) 502-1726
- Enumerated
- Jul 12, 2006
- Record last updated
- Jun 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 015880100 MD
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (family medicine) physician records → All 128 in California → Look up another NPI →
Verify Cynthia Mary Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A5305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average hospice and palliative medicine (family medicine) physician in 2024
15 Medicare Part D claims, against an average of 1,129 among the 731 providers of this specialty who prescribed in Part D.
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.
Cynthia Mary Williams among 128 hospice and palliative medicine (family medicine) physician records in California
Cynthia Mary Williams, D.O. is one of 128 hospice and palliative medicine (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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 72% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2013 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QH0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Family Medicine) Physician providers in California
There are 128 hospice and palliative medicine (family medicine) physician records in California.
All 128 in California → Every provider in San Diego → Hospice and Palliative Medicine (Family Medicine) Physician nationwide →
The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes
- Gary Buckholz, MDSan Diego, CA 921031174601702
- Sonya Christianson, MDSan Diego, CA 921031871751073
- Kyle Edmonds, M.D., FAAHPMSan Diego, CA 921031003044728
- Kira Skavinski, D.O.San Diego, CA 921031073763546
- Heidi Yeung, M.D.San Diego, CA 921031316125198
- Aung Naing Min, MDSan Diego, CA 921081548820228
- Johanna Estrada, M.D.San Diego, CA 921211255698155
- Ruth Goodson, MDSan Diego, CA 921211619466059
Common questions
What is Cynthia Mary Williams, D.O.'s NPI number?
Cynthia Mary Williams, D.O.'s National Provider Identifier (NPI) is 1932124153, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Mary Williams, D.O. located?
The NPPES record lists a practice address at 1247 Pennsylvania Ave, San Diego, CA, 92103. Phone: (301) 502-1726. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Mary Williams, D.O.'s license?
NPPES lists California license number 20A5305, 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 Cynthia Mary Williams, D.O. prescribe under Medicare Part D?
In 2024, Cynthia Mary Williams, D.O. had 15 Medicare Part D claims; the average among hospice and palliative medicine (family medicine) physician prescribers was 1,129. 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.