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GREGORY O APPLETON M.D.
NPI 1114927928
Internal Medicine - Cardiovascular Disease in Houston, TX

Active since July 22, 2005PECOS EnrolledAccepts Medicare Assignment
6441 MAIN ST, HOUSTON, TX 77030(281) 579-0061 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gregory O Appleton M.d. NPPES

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

GREGORY O APPLETON M.D. (NPI 1114927928) is an individual cardiovascular disease provider in Houston, Texas, licensed in Texas (L6265) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1989).

NPPES Registry Identity

NPI1114927928
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameGREGORY O APPLETONCredential: M.D.
Location Address6441 MAIN STHouston, TX 77030-1502
Mailing Address6441 Main StHouston, TX 77030-1502 · (281) 579-0061 · Fax (281) 579-0093
Phone(281) 579-0061
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1989
Enumeration DateJuly 22, 2005
Last NPPES UpdateMay 28, 2026
NPPES CertifiedMay 28, 2026
✔ NPI 1114927928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · L6265
Definition
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.
Also ListedHospitalistTaxonomy 208M00000X · License L6265 (TX)
6441 MAIN ST, Houston, TX 77030
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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

Gregory O Appleton M.d. 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 ID4587550249
PECOS Enrollment IDI20040227000591
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

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 straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
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 11

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

KND DEVELOPMENT 59, LLC
Hospitalist
6441 MAIN ST
HOUSTON, TX 77030
Harris County (713) 790-0500
NU PHYSICIAN MEDICAL GROUP PLLC
Internal Medicine
6441 MAIN ST
HOUSTON, TX 77030
Harris County (281) 363-3156
HOUSTON HOSPITALIST ASSOCIATES, PLLC
Hospitalist
6441 MAIN ST, ATTN: ICU
HOUSTON, TX 77030
Harris County (281) 363-3156
JAMES F ASBURY M.D.
Internal Medicine (Critical Care Medicine)
6441 MAIN ST, ATTN: ICU
HOUSTON, TX 77030
Harris County (281) 363-3156
KINDRED HOSPITALS LIMITED PARTNERSHIP
Skilled Nursing Facility
6441 MAIN ST
HOUSTON, TX 77030
Harris County (713) 790-0500
ABBYE M ROBINSON SLP
Speech-Language Pathologist
6441 MAIN ST
HOUSTON, TX 77030
Harris County (346) 453-8358
KINDRED HOSPITALS LIMITED PARTNERSHIP
Rehabilitation Unit
6441 MAIN ST
HOUSTON, TX 77030
Harris County (713) 790-0500
PM&R CONSULTANTS, PLLC
Physical Medicine & Rehabilitation
6441 MAIN ST
HOUSTON, TX 77030
Harris County (713) 234-5837

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 Gregory Appleton's NPI number?

The NPI number for Gregory Appleton is 1114927928. It was assigned to this individual provider in the NPPES registry on July 22, 2005.

Where is Gregory Appleton located?

Gregory Appleton practices at 6441 Main St, Houston, TX 77030. The listed phone number is (281) 579-0061.

What is Gregory Appleton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Gregory Appleton enrolled in Medicare?

Yes. Gregory Appleton is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gregory Appleton was last updated on May 28, 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.