JAMES C MACMILLAN (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1366499584

JAMES C MACMILLAN (MD) is a healthcare provider. based in Modesto, California. specializing in Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician. They hold the professional credentials MD. They hold a License No. G23487 (CA). The NPI Number for JAMES C MACMILLAN (MD) is 1366499584

Main info

Male
57 Years Of Experience
Accepts Medicare Assignment
Name
JAMES C MACMILLAN (MD)
NPI
1366499584
Phone
(209) 577-3388
Address
1541 FLORIDA AVE
Enumeration Date
31 May 2006
Last Update Date
13 July 2011

Doctor Profile

Medical School Name
CLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Secondary Phone
2095773388
Graduation Year
1969 (57 years ago)
PAC ID
2860415635
Group Practice PAC ID
0941465322
Professional Enrollment ID
I20080605000857
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for JAMES C MACMILLAN (MD)

  • 1541, Florida Avenue, Aurora, Modesto, Stanislaus County, California, 95350, United States

    200

    MODESTO, CA 953504423

    Phone: (209) 577-3388

    Fax: (209) 523-0764

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-06-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080605000857IThoracic SurgeryCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 95350)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0941465322View full group profile
NameSpecialtyState
Internal MedicineCA
-CA
G A S T R O E N T E R O L O G YCA
-CA
Internal Medicine, Critical Care (Intensivists), Pulmonary Disease, Pulmonary DiseaseMD
O P T O M E T R YCA
-CA
O P T O M E T R YCA
O B S T E T R I C S/ G Y N E C O L O G YKY
Orthopedic SurgeryCA

Reviews

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Frequently asked questions

How do payers reference JAMES C MACMILLAN (MD)?
For JAMES C MACMILLAN (MD), use NPI 1366499584 as the unique 10-digit identifier.
Active or inactive — what applies to JAMES C MACMILLAN (MD)?
You should see JAMES C MACMILLAN (MD) as active in CMS-hosted NPPES data.
What area of care is associated with JAMES C MACMILLAN (MD)?
JAMES C MACMILLAN (MD)'s record emphasizes Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for JAMES C MACMILLAN (MD)?
Travel planning: use Modesto, California as the reference point for JAMES C MACMILLAN (MD), then confirm.
Can I trust this NPI listing for JAMES C MACMILLAN (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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