James Hamilton, PA-C
NPI 1003221078 · Surgical Physician Assistant · San Diego, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Hamilton, PA-C is a Surgical Physician Assistant provider in San Diego, CA (NPI 1003221078).
Provider details
- NPI number
- 1003221078
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 51679 (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 tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
707 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 173 | $83 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 122 | $57 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $116 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 54 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $84 |
| Replacement of Knee Joint, Both Sides of Knee |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 273 | 251 |
| Oxycodone Hcl | 202 | 144 |
| Tramadol Hcl | 152 | 113 |
| Celecoxib | 141 | 91 |
| Ondansetronbrand: Ondansetron Odt | 131 | 117 |
| Dexamethasone | 114 | 110 |
| Amoxicillin | 86 | 79 |
| Tranexamic Acid | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$188 across 2 records (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
- 2014-06-27
- Last updated
- 2017-09-26
Frequently asked questions
- What is James Hamilton's NPI number?
- James Hamilton's National Provider Identifier (NPI) is 1003221078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Hamilton's specialty?
- James Hamilton is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Hamilton located?
- James Hamilton's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is James Hamilton's phone number?
- The practice phone number listed in the NPPES registry for James Hamilton is (858) 657-8200.
- Does James Hamilton accept Medicare?
- James Hamilton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Hamilton's NPI active?
- Yes — James Hamilton's NPI (1003221078) is active in the NPPES registry as of the last update on 2017-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.