Donald Harwick, P.A.
NPI 1215136957 · Medical Physician Assistant · California City, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Harwick, P.A. is a Medical Physician Assistant provider in California City, CA (NPI 1215136957).
Provider details
- NPI number
- 1215136957
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA13177 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 163 | 64 |
| Amlodipine Besylate | 144 | 52 |
| Lisinopril | 144 | 50 |
| Omeprazole | 129 | 41 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 91 | 30 |
| Gabapentin | 88 | 29 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-12
- Last updated
- 2007-07-12
Frequently asked questions
- What is Donald Harwick's NPI number?
- Donald Harwick's National Provider Identifier (NPI) is 1215136957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Harwick's specialty?
- Donald Harwick is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Donald Harwick located?
- Donald Harwick's practice location on file with NPPES is 9300 N Loop Blvd, California City, CA 93505-2269.
- What is Donald Harwick's phone number?
- The practice phone number listed in the NPPES registry for Donald Harwick is (760) 373-1256.
- Does Donald Harwick accept Medicare?
- Donald Harwick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Harwick's NPI active?
- Yes — Donald Harwick's NPI (1215136957) is active in the NPPES registry as of the last update on 2007-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.