MICHAEL WILLIAMS M.D
NPI 1225410236
Internal Medicine - Cardiovascular Disease in Travis Afb, CA

NPI Status: Active since June 25, 2015

Contact Information

101 BODIN CIR
TRAVIS AFB, CA
ZIP 94535
Phone: (707) 423-2300

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  • Individual
  • Male
  • Years of Experience 19
  • Internal Medicine
  • Cardiovascular Disease
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MICHAEL WILLIAMS

This page provides the complete NPI Profile along with additional information for Michael Williams, an internist established in Travis Afb, California with a medical specialization in Internal Medicine, focusing in cardiovascular disease and more than 19 years of experience. He graduated from George Washington University School Of Medicine in 2007. The healthcare provider is registered in the NPI registry with number 1225410236 assigned on June 2015. The practitioner's primary taxonomy code is 207RC0000X with license number 142809 (MT). The provider is registered as an individual and his NPI record was last updated April 2026. Michael Williams operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1225410236
Provider Name
MICHAEL WILLIAMS M.D
Gender
Male
Entity Type
Individual
Location Address
101 BODIN CIR TRAVIS AFB, CA 94535
Location Phone
(707) 423-2300
Mailing Address
101 BODIN CIR TRAVIS AFB, CA 94535
Mailing Phone
(707) 423-2300
Medical School Name
GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2007
Is Sole Proprietor?
Yes
Enumeration Date
06-25-2015
Last Update Date
04-24-2026
Code Navigator

An internist like Michael Williams is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 407 S Schwartz Ave Ste 202
    Farmington, NM 87401
    (505) 609-6770

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
142809
License State
MT
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RI0011XAllopathic & Osteopathic Physicians

Internal Medicine
Interventional Cardiology

MD2025-1331 (NM)
2207RI0011XAllopathic & Osteopathic Physicians

Internal Medicine
Interventional Cardiology

0101261912 (VA)
3208D00000XAllopathic & Osteopathic Physicians

General Practice

0101261912 (VA)
4390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Michael Williams is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Michael Williams is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 1355612631

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20260211004365

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $36.45 for a new patient copayment and $20.06 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 94535 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $145.83
  • Minimum New Patient Price $65.02
  • Maximum New Patient Price $191.95
  • Average New Patient Copayment $36.45
  • Minimum New Patient Copayment $16.25
  • Maximum New Patient Copayment $47.98

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $80.24
  • Minimum Established Patient Price $21.86
  • Maximum Established Patient Price $157.69
  • Average Established Patient Copayment $20.06
  • Minimum Established Patient Copayment $5.46
  • Maximum Established Patient Copayment $39.42

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Michael Williams is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
SAN JUAN REGIONAL MEDICAL CENTER INC801 WEST MAPLE STREET
FARMINGTON, NM 87401
(505) 609-2000Acute Care Hospitals

Reviews for MICHAEL WILLIAMS M.D

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1225410236, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 4 → 8 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 4 + 5 + 8 + 1 + 0 + 2 + 6 + 24 = 54

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1225410236.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Dentist (Pediatric Dentistry)
101 BODIN CIR, DAVID GRANT MEDICAL CENTER / 60TH DENTAL SQUADRON
TRAVIS AFB, CA 94535
Pediatrics (Pediatric Hematology-Oncology)
101 BODIN CIR, DEPARTMENT OF PEDIATRICS
TRAVIS AFB, CA 94535
Internal Medicine (Cardiovascular Disease)
101 BODIN CIR
TRAVIS AFB, CA 94535
Preventive Medicine (Undersea and Hyperbaric Medicine)
101 BODIN CIR
TRAVIS AFB, CA 94535
Clinical Neuropsychologist
101 BODIN CIR, DAVID GRANT MEDICAL CENTER
TRAVIS AFB, CA 94535
Social Worker (Clinical)
101 BODIN CIR
TRAVIS AFB, CA 94535
Family Medicine (Sports Medicine)
101 BODIN CIR, 60TH MDOS/SGOL
TRAVIS AFB, CA 94535
Nurse Anesthetist, Certified Registered
101 BODIN CIR, 60 MDG/SGCSA
TRAVIS AFB, CA 94535
Dietitian, Registered
101 BODIN CIR, 60 MDTS/SGQD
TRAVIS AFB, CA 94535
Dentist (General Practice)
101 BODIN CIR, 60TH DENTAL SQUADRON/SGDT
TRAVIS AFB, CA 94535
Dentist (General Practice)
101 BODIN CIR
TRAVIS AFB, CA 94535
Nurse Anesthetist, Certified Registered
101 BODIN CIR
TRAVIS AFB, CA 94535
Dentist (General Practice)
101 BODIN CIR
TRAVIS AFB, CA 94535
Dentist (Orthodontics and Dentofacial Orthopedics)
101 BODIN CIR
TRAVIS AFB, CA 94535
Dentist (Periodontics)
101 BODIN CIR, 60TH DENTAL SQUADRON (AMC)- DEPARTMENT OF THE AIR FORCE
TRAVIS AFB, CA 94535
Dentist (Endodontics)
101 BODIN CIR
TRAVIS AFB, CA 94535
Physical Therapist (Orthopedic)
101 BODIN CIR
TRAVIS AFB, CA 94535
General Acute Care Hospital
101 BODIN CIR, TRAVIS AFB
FAIRFIELD, CA 94535
Optometrist
101 BODIN CIR, 60AMDS/SGPE
TRAVIS AFB, CA 94535
Emergency Medicine
101 BODIN CIR
TRAVIS AFB, CA 94535

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225410236, enumerated as an "individual" on June 25, 2015.

The provider is located at 101 BODIN CIR TRAVIS AFB, CA 94535 and the phone number is (707) 423-2300.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

The provider might be accepting Accepts: Providence Health Plan. Please consult your insurance carrier or call the provider to verify.

Michael Williams is affiliated with: SAN JUAN REGIONAL MEDICAL CENTER INC.