Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TOM GRIFFIN DO
NPI 1861021149
Internal Medicine in Houston, TX

Q: What is Tom Griffin's NPI number?

The NPI number for Tom Griffin is 1861021149. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Q: What is Tom Griffin's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tom Griffin was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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 April 07, 2020PECOS Enrolled

18333 EGRET BAY BLVD STE 140, HOUSTON, TX 77058(281) 332-3001(281) 332-3005 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Oct 2, 2026, Jan 5, 2024, Apr 17, 2020 and 1 more (4 updates tracked since 2020).

On this page

About Tom Griffin Do NPPES

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

TOM GRIFFIN DO (NPI 1861021149) is an individual internal medicine provider in Houston, Texas, licensed in Texas (U4208) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1861021149

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameTOM GRIFFINCredential: DO

Location Address18333 EGRET BAY BLVD STE 140Houston, TX 77058-3239

Mailing Address18333 Egret Bay Blvd Ste 140Houston, TX 77058-3239 · (281) 332-3001 · Fax (281) 332-3005

Phone(281) 332-3001

Fax(281) 332-3005

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateApril 7, 2020

Last NPPES UpdateOctober 2, 20264 updates tracked since enumeration

NPPES CertifiedOctober 2, 2026

✔ NPI 1861021149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · U4208

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.

Also ListedHospitalistTaxonomy 208M00000X · License U4208 (TX)

18333 EGRET BAY BLVD STE 140, Houston, TX 77058

Open in Google Maps ↗

Secondary Practice Locations 4

Location 1200 Blossom StWebster, TX 77598-4204 · Phone (832) 632-6500

Location 22240 Gulf Fwy SLeague City, TX 77573-5143 · Phone (409) 772-1011

Location 311800 Astoria BlvdHouston, TX 77089-6041 · Phone (281) 929-6485

Location 4500 W Medical Center BlvdWebster, TX 77598-4220 · Phone (281) 332-2511

Other Identifiers 5

Medicaid481421203TX

Other8VY978TX · Bcbstx

Medicaid481421201TX

Medicaid481421204TX

Medicaid481421202TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tom Griffin Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204287089

PECOS Enrollment IDI20240105001104

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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

503 services257 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

158 services154 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

115 services113 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

32 services20 patients

Hospital Affiliations CMS Care Compare 3

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

University Of Texas Medical Branch Galveston

Acute Care Hospitals · Galveston, TX

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number450018

Location301 University BoulevardGalveston, TX 77555 · Galveston County

Emergency services Birthing friendly

Hca Houston Healthcare Clear Lake

Acute Care Hospitals · Webster, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450617

Location500 W Medical Center BlvdWebster, TX 77598 · Harris County

Emergency services Birthing friendly

Houston Methodist Clear Lake Hospital

Acute Care Hospitals · Nassau Bay, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450709

Location18300 Houston Methodist DrNassau Bay, TX 77058 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77058 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

CHARMAINE FULTON AGACNP-BC

Nurse Practitioner (Acute Care)