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Dr. Mark Russell Brown , DO

Internal Medicine β€’ Travis Afb, CA

Active NPI 1972250736 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

60 Mdg/sggx, 101 Bodin Circle
Travis Afb, CA 945351809

Call 7074237342 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

60 Mdg/sggx
101 Bodin Circle

Travis Afb, CA 945351809

Telephone 7074237342
Organization at the Same NPPES Address or Phone
David Grant Medical Center Facility NPI 1063481232

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Permanente Medical Group Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Medical School

At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa

Graduation Year

2022

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2019–2025.

Guide: How to read an Open Payments record

Years since graduation

4 years (graduated 2022)

CMS Doctors and Clinicians data list 2022 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2022

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Brown has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Brown as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Travis Afb and California

23 active clinicians are listed under Internal Medicine with a practice address in Travis Afb, CA (17,717 in California).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Travis Afb

13% of these 23 clinicians have the CMS telehealth indicator.

30.4% of these 23 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2025-12-17
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

License # reported to NPPES CA 20A24048

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Medical Board of California.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - INTERNAL MEDICINE

Medicare Enrollment ID

I20260129003208

Enrollment State Jurisdiction

CA

PECOS Control ID

8921445560

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Permanente Medical Group Inc

975 Sereno Dr, Vallejo, CA 945892441

Phone: 7076511000

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

4 listed
Dr. Francis Essien , DO

Internal Medicine

NPI 1801381736

Doctor of Osteopathic Medicine (D.O.)

NPI 1629253471

Doctor of Osteopathic Medicine (D.O.)

Dr. Cong Santoso , MD

Internal Medicine

NPI 1659613057

Doctor of Medicine (M.D.)

Dr. Randy Sid , MD

Internal Medicine

NPI 1144424235

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

11 Historical Events
πŸ“
Updated Practice Location August 05, 2025

Registered at 60 MDG/SGGX, 101 BODIN CIRCLE, TRAVIS AFB, CA 945351809 (Tel: 7074237342)

πŸ“
Updated Business Mailing Address August 05, 2025

Registered at 60 MDG/SGGX, 101 BODIN CIRCLE, TRAVIS AFB, CA 945351809

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) August 05, 2025

Internal Medicine (license number reported to NPPES: CA 20A24048)

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) January 24, 2024

General Practice (license number reported to NPPES: IN 02007622A)

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) August 17, 2023

Military Health Care Provider

βœ…
NPI Profile Active March 02, 2022

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) March 02, 2022

Registered at 3551 ROGER BROOKE DR, JBSA FT SAM HOUSTON, TX 782344504 (Tel: 2102927805)

πŸ“
Business Mailing Address (Initial Record) March 02, 2022

Registered at 3551 ROGER BROOKE DR, JBSA FT SAM HOUSTON, TX 782344504 (Tel: 2102927805)

πŸ‘€
Provider Name / Credentials (Initial Record) March 02, 2022

Recorded as MARK BROWN, DO

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) March 02, 2022

Student in an Organized Health Care Education/Training Program

🟒
Initial NPI Registration & Enumeration March 02, 2022

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1972250736
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 02, 2022
Last Update: December 17, 2025
Sole Proprietor: No

Other Internal Medicine Providers in Travis Afb

Healthcare providers in Travis Afb

Mailing Address

60 Mdg/sggx, 101 Bodin Circle

Travis Afb, CA 945351809

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.