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DR. CARLOS ROBERT HAMILTON JR. MD
NPI 1326041567
Internal Medicine - Endocrinology, Diabetes & Metabolism in Houston, TX

Active since May 23, 2005PECOS Enrolled
7000 FANNIN ST, # 1732, HOUSTON, TX 77030(713) 500-3825(713) 500-0314 Get Directions Write a Review

NPPES record last updated: June 8, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Carlos Robert Hamilton Jr. Md NPPES

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

DR. CARLOS ROBERT HAMILTON JR. MD (NPI 1326041567) is an individual endocrinology, diabetes & metabolism provider in Houston, Texas, licensed in Texas (D3251) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326041567
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. CARLOS ROBERT HAMILTON JR.Credential: MD
Location Address7000 FANNIN ST, # 1732Houston, TX 77030-5400
Mailing Address7000 Fannin St, # 1732Houston, TX 77030-5400 · (713) 500-3825 · Fax (713) 500-0314
Phone(713) 500-3825
Fax(713) 500-0314
Sole ProprietorNo
Enumeration DateMay 23, 2005
Last NPPES UpdateJune 8, 2016
✔ NPI 1326041567 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in TX · D3251
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
7000 FANNIN ST, Houston, TX 77030
Open in Google Maps ↗

Other Identifiers 5

Medicare UPINC16524
Medicare PIN260042487TX
Medicaid113417302TX
Medicare PIN8378M0TX
Other8378M0TX · Bcbs

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Carlos Robert Hamilton Jr. Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Carlos Hamilton reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ut Physicians
0.9 mi
Anesthesiology
6410 FANNIN ST, 1500
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 3,111 clinicians in this Medicare group
NPI 1033157821 (832) 325-7325

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
$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.

DR. STEPHEN PARLAMAS MD
Surgery
7000 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-4472
MARIA CARBALLO LPC
Counselor (Professional)
7000 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 549-0126
KATHLEEN LOUISE SIDERS FNP
Nurse Practitioner (Family)
7000 FANNIN ST, STE. #1620
HOUSTON, TX 77030
Harris County (713) 500-3267
MICHAEL JABITUK
Registered Nurse (Critical Care Medicine)
7000 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-4472
ARNOLD RODRIGUEZ ROBLES M.S.
Psychologist (Clinical Child & Adolescent)
7000 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-4472
JEFFREY CALHOUN NP
Nurse Practitioner (Family)
7000 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-4472
AARON SHI
Student in an Organized Health Care Education/Training Program
7000 FANNIN ST
HOUSTON, TX 77030
Harris County (936) 718-8823
CAROLINE DUCLAUX
Behavior Analyst
7000 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 500-4472

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 Carlos Hamilton's NPI number?

The NPI number for Carlos Hamilton is 1326041567. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is Carlos Hamilton located?

Carlos Hamilton practices at 7000 Fannin St # 1732, Houston, TX 77030. The listed phone number is (713) 500-3825.

What is Carlos Hamilton's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Carlos Hamilton enrolled in Medicare?

Yes. Carlos Hamilton is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Carlos Hamilton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Hamilton reassigns Medicare benefits to Ut Physicians (Houston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carlos Hamilton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carlos Hamilton was last updated on June 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.