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DR. WILLIAM ANDREW ATLAS M.D.
NPI 1902881535
Internal Medicine in San Antonio, TX

Active since December 06, 2005PECOS Enrolled
540 MADISON OAK DR, STE 550, SAN ANTONIO, TX 78258(210) 404-9220(210) 404-9223 Get Directions Write a Review

NPPES record last updated: January 6, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William Andrew Atlas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM ANDREW ATLAS M.D. (NPI 1902881535) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (H9186) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902881535
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM ANDREW ATLASCredential: M.D.
Location Address540 MADISON OAK DR, STE 550San Antonio, TX 78258-3943
Mailing Address540 Madison Oak Dr, Ste 550San Antonio, TX 78258-3943 · (210) 404-9220 · Fax (210) 404-9223
Phone(210) 404-9220
Fax(210) 404-9223
Sole ProprietorNo
Enumeration DateDecember 6, 2005
Last NPPES UpdateJanuary 6, 2016
✔ NPI 1902881535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · H9186
Definition

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.

540 MADISON OAK DR, San Antonio, TX 78258
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Other Identifiers 6

Medicare UPINF33819TX
Medicaid105549304TX
Other8DL456TX · Bcbstx
Medicare PINTXB161107
OtherP01136133Railroad Medicare
Medicaid105549308TX

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Andrew Atlas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78258 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DAWN DENISE MARSHALL CST/CSFA
Specialist/Technologist, Other (Surgical Assistant)
540 MADISON OAK DR, STE 610
SAN ANTONIO, TX 78258
Bexar County (210) 352-5346
NANCY MARION GANN PT
Physical Therapist
540 MADISON OAK DR, SUITE 360
SAN ANTONIO, TX 78258
Bexar County (210) 545-4006
YOLANDA RUTH CANTU LSA
Physician Assistant (Surgical)
540 MADISON OAK DR, STE 610
SAN ANTONIO, TX 78258
Bexar County (210) 352-5346
RONALD JOSEPH REARDON M.D.
Family Medicine
540 MADISON OAK DR, SUITE 340
SAN ANTONIO, TX 78258
Bexar County (210) 403-3490
WAYNE A LEE MD
Orthopaedic Surgery
540 MADISON OAK DR, #690
SAN ANTONIO, TX 78258
Bexar County (210) 491-4125
KATHLEEN HANDS M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
540 MADISON OAK DR, SUITE 270
SAN ANTONIO, TX 78258
Bexar County (210) 491-9494
PERIN GOMER SUTHAKAR MD
Clinic/Center (Medical Specialty)
540 MADISON OAK DR, SUITE 130
SAN ANTONIO, TX 78258
Bexar County (210) 483-9800
JESSIKA LYNNE RIOS
Nurse Practitioner (Neonatal)
540 MADISON OAK DR
SAN ANTONIO, TX 78258
Bexar County (210) 297-4985

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Atlas's NPI number?

The NPI number for William Atlas is 1902881535. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is William Atlas located?

William Atlas practices at 540 Madison Oak Dr Ste 550, San Antonio, TX 78258. The listed phone number is (210) 404-9220.

What is William Atlas's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Atlas enrolled in Medicare?

Yes. William Atlas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Atlas was last updated on January 6, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.