David Corbaley Roberts, P.A.
Surgical Physician Assistant · Walnut Creek, CA
David Corbaley Roberts, P.A. is a surgical physician assistant with a practice address in Walnut Creek, California, and NPI 1205991700, issued on Dec 26, 2006. Check the license (California 16015, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Corbaley Roberts
- Credential
- P.A.
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 16015 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1425 S Main St, Walnut Creek, CA 94596
- Phone
- (295) 295-4060
- Enumerated
- Dec 26, 2006
- Record last updated
- Feb 11, 2022
- Fax
- (925) 295-5544
- Medicare enrollment
- Enrolled (PECOS I20111208000370); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 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.
- Eric AaserudeEmergency Medicine Physician1811491194
- Derek Abbassi, MDObstetrics & Gynecology Physician1841364155
- Peter Ackerman, MDEmergency Medicine Physician1427435023
- Aaron Mark Acosta, DOEmergency Medicine Physician1538789987
- Basil Adad, MDOtolaryngology Physician1487732574
- Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804
Verify David Corbaley Roberts in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 16015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.6 times the Medicare Part D claims of the average surgical physician assistant in 2024
1,408 Medicare Part D claims for 597 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 16 claims were for opioids.
Most prescribed
- Tamsulosin Hcl359 claims
- Finasteride268 claims
- Myrbetriq81 claims
- Terazosin Hcl74 claims
- Ciprofloxacin Hcl67 claims
- Methenamine Hippurate64 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
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Corbaley Roberts among 1,075 surgical physician assistant records in California
David Corbaley Roberts, P.A. is one of 1,075 surgical physician assistant records with a practice address in California. 79% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 74% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2001 · median 2012 among the 649 with a school on file
- Record last updated2022 · 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 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Walnut Creek → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Kennard Beard, P.A.Walnut Creek, CA 945961588960694
- Michele Brocato, PA-CWalnut Creek, CA 945961548330285
- Claire Kerney, PA-CWalnut Creek, CA 945961992936868
- Mark Okawachi, PA-CWalnut Creek, CA 945961114078631
- Shannon Rathbun, PA-CWalnut Creek, CA 945961780733691
- Brian Costello, PHYSICIAN ASSISTANTWalnut Creek, CA 945981396833257
- Patricia Loo, P.A.Walnut Creek, CA 945981083755862
- Thomas Markiewith, P.A.Walnut Creek, CA 945981427086149
Common questions
What is David Corbaley Roberts, P.A.'s NPI number?
David Corbaley Roberts, P.A.'s National Provider Identifier (NPI) is 1205991700, issued on Dec 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Corbaley Roberts, P.A. located?
The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (295) 295-4060. Providers update this record themselves, so call before visiting.
How can I verify David Corbaley Roberts, P.A.'s license?
NPPES lists California license number 16015, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does David Corbaley Roberts, P.A. prescribe under Medicare Part D?
In 2024, David Corbaley Roberts, P.A. had 1,408 Medicare Part D claims for 597 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.