DR. JAMES BRIAN BILLYS (MD) – Anesthesiology Physician, NPI 1013544113

DR. JAMES BRIAN BILLYS (MD) is a healthcare provider. based in San diego, California. specializing in ANESTHESIOLOGY. They hold the professional credentials MD. They hold a License No. A202048 (CA). The NPI Number for DR. JAMES BRIAN BILLYS (MD) is 1013544113

Main info

Male
6 Years Of Experience
Accepts Medicare Assignment
Name
DR. JAMES BRIAN BILLYS (MD)
NPI
1013544113
Phone
(858) 565-9666
Address
3626 RUFFIN RD
Enumeration Date
26 March 2020
Last Update Date
22 July 2025

Doctor Profile

Medical School Name
JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Secondary Phone
6195659666
Graduation Year
2020 (6 years ago)
PAC ID
4789008624
Group Practice PAC ID
1153223219
Professional Enrollment ID
I20250805000876
Address ID
CA921231810SA3626XRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience41
Completeness85
Years active:6State licenses:1Digital endpointsOther names

6,391 ANESTHESIOLOGY in CA

Provider Addresses for DR. JAMES BRIAN BILLYS (MD)

  • 3626 RUFFIN RD

    SAN DIEGO, CA 921231810

    Phone: (858) 565-9666

    Fax: (858) 565-9441

    Type: Mailing

  • 12631 E 17TH AVE

    AURORA, CO 800452527

    Phone: (303) 724-2680

    Type: Mailing

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: 2025-08-05

PECOS data refreshed: 2026-06-15

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
I20250805000876IAnesthesiologyCATBD

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 92123)

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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: 1153223219View full group profile
NameSpecialtyState
-CA
A N E S T H E S I O L O G YCA
-CA
A N E S T H E S I O L O G YCA
-CA
A N E S T H E S I O L O G YCA
A N E S T H E S I O L O G YCA
A N E S T H E S I O L O G YCA
A N E S T H E S I O L O G YMD
-CA

Reviews

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Frequently asked questions

How do payers reference DR. JAMES BRIAN BILLYS (MD)?
For DR. JAMES BRIAN BILLYS (MD), use NPI 1013544113 as the unique 10-digit identifier.
Active or inactive — what applies to DR. JAMES BRIAN BILLYS (MD)?
You should see DR. JAMES BRIAN BILLYS (MD) as active in CMS-hosted NPPES data.
What clinical focus is listed for DR. JAMES BRIAN BILLYS (MD)?
At a glance, DR. JAMES BRIAN BILLYS (MD) is tied to Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
Is DR. JAMES BRIAN BILLYS (MD) located near San Diego?
DR. JAMES BRIAN BILLYS (MD) currently maps to San Diego, California in this extract.
Can I trust this NPI listing for DR. JAMES BRIAN BILLYS (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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