Donald T. Harwick, P.A.
Medical Physician Assistant · California City, CA
Donald T. Harwick, P.A. is a medical physician assistant with a practice address in California City, California, and NPI 1215136957, issued on Jul 12, 2007. Check the license (California PA13177, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Donald T. Harwick
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA13177 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9300 N Loop Blvd, California City, CA 93505
- Phone
- (760) 373-1256
- Enumerated
- Jul 12, 2007
- Record last updated
- Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (760) 373-1214
- Medicare enrollment
- Enrolled (PECOS I20140529001422); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 9300 N Loop Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Donald T. Harwick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA13177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average medical physician assistant in 2024
2,769 Medicare Part D claims for 227 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 80 claims were for opioids.
Most prescribed
- Atorvastatin Calcium163 claims
- Amlodipine Besylate144 claims
- Lisinopril144 claims
- Omeprazole129 claims
- Albuterol Sulfate Hfa91 claims
- Gabapentin88 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: $16.91
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Bills Medicare through one group practice
- Adventist Health Medical Center TehachapiCalifornia City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald T. Harwick among 3,376 medical physician assistant records in California
Donald T. Harwick, P.A. is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 68% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated1986 · median 2012 among the 1,347 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 medical physician assistant records list a practice address in California City
They are 3 of the 60 NPPES records with a practice address in California City, and 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in California City → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Imelda Borja, PA-CCalifornia City, CA 935051588972442
- Marysa Hunter, P.A.California City, CA 935051326350935
- Sarah Starosta, PA-CBishop, CA 935141649323395
- Tommy Savedra, PABridgeport, CA 935171720134372
- David Morrison, PA-CEdwards, CA 935241821600024
- Sharon Ashton, PA-CLancaster, CA 935341659584746
- Alex Detrana, PALancaster, CA 935341568549970
- David Doriguzzi, PA-CLancaster, CA 935341730195728
Common questions
What is Donald T. Harwick, P.A.'s NPI number?
Donald T. Harwick, P.A.'s National Provider Identifier (NPI) is 1215136957, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Donald T. Harwick, P.A. located?
The NPPES record lists a practice address at 9300 N Loop Blvd, California City, CA, 93505. Phone: (760) 373-1256. Providers update this record themselves, so call before visiting.
How can I verify Donald T. Harwick, P.A.'s license?
NPPES lists California license number PA13177, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Donald T. Harwick, P.A. prescribe under Medicare Part D?
In 2024, Donald T. Harwick, P.A. had 2,769 Medicare Part D claims for 227 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.