Carl A. Omstead, PA-C
Specialist · Concord, CA
Carl A. Omstead, PA-C is a specialist with a practice address in Concord, California, and NPI 1982661427, issued on Apr 27, 2006. Check the license (California PA 12284, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carl A. Omstead
- Credential
- PA-C
- Primary taxonomy
- Specialist 174400000X
- License number
- PA 12284 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2700 Grant St, Concord, CA 94520
- Phone
- (925) 676-2600
- Enumerated
- Apr 27, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (925) 680-0212
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 2700 Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carl A. Omstead in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA 12284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
34 Medicare Part D claims for 28 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen18 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.
Industry payments in 2024: $147.21
3 payments; by number, the most common kind was food and beverage; the largest payer was Getinge USA Sales, LLC. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Carl A. Omstead among 5,749 specialist records in California
Carl A. Omstead, PA-C is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2026 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Concord → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Premjit Chahal, M.D.Concord, CA 945201093893091
- Charles Diraimondo, M.D.Concord, CA 945201962437269
- Jacquelyn Holmes, MFTConcord, CA 945201457487571
- Stefanie Mayer, PTConcord, CA 945201124119227
- Michael Messer, MDConcord, CA 945201255438206
- Monika OsullivanConcord, CA 945201518839422
- Jasbir Rana, M,DConcord, CA 945201144223934
- Ryan Tracy, M.D.Concord, CA 945201346283835
Common questions
What is Carl A. Omstead, PA-C's NPI number?
Carl A. Omstead, PA-C's National Provider Identifier (NPI) is 1982661427, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carl A. Omstead, PA-C located?
The NPPES record lists a practice address at 2700 Grant St, Concord, CA, 94520. Phone: (925) 676-2600. Providers update this record themselves, so call before visiting.
How can I verify Carl A. Omstead, PA-C's license?
NPPES lists California license number PA 12284, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Carl A. Omstead, PA-C prescribe under Medicare Part D?
In 2024, Carl A. Omstead, PA-C had 34 Medicare Part D claims for 28 beneficiaries; the average among specialist prescribers was 1,380. 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.