Cathy C. Dugan, MD
Pediatrics Physician · Walnut Creek, CA
Cathy C. Dugan, MD is a pediatrics physician with a practice address in Walnut Creek, California, and NPI 1003994591, issued on Nov 1, 2006. Check the license (California G79522, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Cathy C. Dugan
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G79522 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1425 S Main St, Walnut Creek, CA 94596
- Phone
- (925) 295-4000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G795220 CA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 1425 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804
Verify Cathy C. Dugan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G79522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Cathy C. Dugan among 9,272 pediatrics physician records in California
Cathy C. Dugan, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 pediatrics physician records list a practice address in Walnut Creek
They are 57 of the 6,170 NPPES records with a practice address in Walnut Creek, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,272 in California → Every provider in Walnut Creek → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Katharine Brown, M.D.Walnut Creek, CA 945961962456707
- S. Ming Chang, M.D.Walnut Creek, CA 945961114996618
- Cristina Chua-Lim, MDWalnut Creek, CA 945961487765756
- Steven Dinstell, MDWalnut Creek, CA 945961659459717
- Kirk Hahn, MDWalnut Creek, CA 945961952489015
- Charles Hanson, M.D.Walnut Creek, CA 945961245243567
- Dorothy Hassler, MDWalnut Creek, CA 945961992883078
- Montgomery Kong, MDWalnut Creek, CA 945961942219928
Common questions
What is Cathy C. Dugan, MD's NPI number?
Cathy C. Dugan, MD's National Provider Identifier (NPI) is 1003994591, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathy C. Dugan, MD located?
The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.
How can I verify Cathy C. Dugan, MD's license?
NPPES lists California license number G79522, 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.