James Macmillan, MD
NPI 1366499584 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Macmillan, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Modesto, CA (NPI 1366499584).
Provider details
- NPI number
- 1366499584
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G23487 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2011-07-13
Frequently asked questions
- What is James Macmillan's NPI number?
- James Macmillan's National Provider Identifier (NPI) is 1366499584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Macmillan's specialty?
- James Macmillan is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is James Macmillan located?
- James Macmillan's practice location on file with NPPES is 1541 Florida Ave, Modesto, CA 95350-4423.
- What is James Macmillan's phone number?
- The practice phone number listed in the NPPES registry for James Macmillan is (209) 577-3388.
- Does James Macmillan accept Medicare?
- James Macmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Macmillan's NPI active?
- Yes — James Macmillan's NPI (1366499584) is active in the NPPES registry as of the last update on 2011-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.