PHILLIP E MASON MD
NPI 1952390841
Internal Medicine - Critical Care Medicine in San Antonio, TX

Q: What is Phillip Mason's NPI number?

The NPI number for Phillip Mason is 1952390841. It was assigned to this individual provider in the NPPES registry on October 14, 2005. The provider is also known as Phillip Mason MD.

Q: What is Phillip Mason's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Phillip Mason was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 14, 2005PECOS EnrolledAccepts Medicare Assignment

4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 358-4000 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Phillip E Mason Md NPPES

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

PHILLIP E MASON MD (NPI 1952390841) is an individual critical care medicine provider in San Antonio, Texas, licensed in Texas (L5039) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1999).

NPPES Registry Identity

NPI1952390841

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NamePHILLIP E MASONCredential: MD

Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402

Mailing Address4502 Medical DrSan Antonio, TX 78229-4402 · (210) 358-4000

Phone(210) 358-4000

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1999

Enumeration DateOctober 14, 2005

Last NPPES UpdateJune 11, 2026

NPPES CertifiedJune 11, 2026

✔ NPI 1952390841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in TX · L5039

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedEmergency MedicineTaxonomy 207P00000X · License L5039 (TX)

4502 MEDICAL DR, San Antonio, TX 78229

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Other Names 1

Other Name (5)Phillip Mason Md

Other Identifiers 4

Medicaid154188002TX

Medicaid2493798OH

Medicaid154188004TX

Medicaid154188003TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Phillip E Mason Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820166341

PECOS Enrollment IDI20130501000635

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System

Acute Care Hospitals · San Antonio, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450213

Location4502 Medical DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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.

EDUARDO N. POLLONO MD

Internal Medicine (Cardiovascular Disease)