Catherine D. Wergin, PAC
Physician Assistant · Sacramento, CA
Catherine D. Wergin, PAC is a physician assistant with a practice address in Sacramento, California, and NPI 1750474243, issued on Oct 2, 2006. Check the license (California PA16263, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine D. Wergin
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA16263 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1201 Alhambra Blvd, Sacramento, CA 95816
- Phone
- (916) 731-7728
- Enumerated
- Oct 2, 2006
- Record last updated
- Jul 29, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (916) 731-7955
- Medicaid ID
- PA16263 CA
- Medicare enrollment
- Enrolled (PECOS I20081020000575); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1201 Alhambra Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine D. Wergin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA16263Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average physician assistant in 2024
152 Medicare Part D claims for 100 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass17 claims
- Cephalexin17 claims
- Sulfamethoxazole-Trimethoprim12 claims
- Albuterol Sulfate Hfa11 claims
- Doxycycline Hyclate11 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
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine D. Wergin among 14,451 physician assistant records in California
Catherine D. Wergin, PAC is one of 14,451 physician assistant records with a practice address in California. 75% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2001 · median 2018 among the 7,214 with a school on file
- Record last updated2015 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
387 physician assistant records list a practice address in Sacramento
They are 387 of the 33,083 NPPES records with a practice address in Sacramento, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Sacramento → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Alene Antelman-Aldrich, PASacramento, CA 958161750328951
- Thomas Carmody, P.A.,CSacramento, CA 958161184731713
- Leo Carpenter, PASacramento, CA 958161629077946
- Yi Chen, PA-CSacramento, CA 958161497774194
- Nina Deweese, PASacramento, CA 958161578572376
- Garry Grey, PA-CSacramento, CA 958161750329009
- Glenda Hillman, P.A.Sacramento, CA 958161962513341
- Moonny Lee, PA-CSacramento, CA 958161124088893
Common questions
What is Catherine D. Wergin, PAC's NPI number?
Catherine D. Wergin, PAC's National Provider Identifier (NPI) is 1750474243, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine D. Wergin, PAC located?
The NPPES record lists a practice address at 1201 Alhambra Blvd, Sacramento, CA, 95816. Phone: (916) 731-7728. Providers update this record themselves, so call before visiting.
How can I verify Catherine D. Wergin, PAC's license?
NPPES lists California license number PA16263, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine D. Wergin, PAC prescribe under Medicare Part D?
In 2024, Catherine D. Wergin, PAC had 152 Medicare Part D claims for 100 beneficiaries; the average among physician assistant prescribers was 830. 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.