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DR. PETER JOSEPH DEMARIA M.D.
NPI 1811230873
Internal Medicine - Medical Oncology in Houston, TX

Active since March 28, 2013PECOS EnrolledAccepts Medicare Assignment
64.79/100
CMS Quality Rating
7500 FANNIN ST STE 500, HOUSTON, TX 77054(713) 795-0202(713) 799-8290 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 19, 2026, May 9, 2025, Sep 24, 2024 and 2 more (5 updates tracked since 2019).

About Dr. Peter Joseph Demaria M.d. NPPES

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

DR. PETER JOSEPH DEMARIA M.D. (NPI 1811230873) is an individual medical oncology provider in Houston, Texas, licensed in Utah (14276071-1205) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Coral Gables, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1811230873
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. PETER JOSEPH DEMARIACredential: M.D.
Location Address7500 FANNIN ST STE 500Houston, TX 77054-1986
Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-0813
Phone(713) 795-0202
Fax(713) 799-8290
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 28, 2013
Last NPPES UpdateMay 19, 20265 updates tracked since enumeration
NPPES CertifiedMay 19, 2026
✔ NPI 1811230873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in UT · 14276071-1205
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License ME129539 (FL)
Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X · License V3278 (TX), ME129539 (FL)
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License V3278 (TX), ME129539 (FL)
7500 FANNIN ST STE 500, Houston, TX 77054
Open in Google Maps ↗

Secondary Practice Location 1

Location 12032 Alhambra CirCoral Gables, FL 33134-2103 · Phone (305) 401-6386

Other Identifiers 3

OtherME129539FL · Florida Board Of Medicine
OtherV3278TX · Texas Medical Board
OtherMD046702DC · Washington, D.c. Board Of Medicine

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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

Dr. Peter Joseph Demaria 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 ID5395029649
PECOS Enrollment IDI20241003000547
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 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.
19 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77054 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
$176.98 typical visit price
range $58.24 – $176.98
Typical copayment $44.24 (range $14.56 – $44.24)
Most-billed visit code 99205
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

64.79/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality61.72
Promoting Interoperability99
Improvement Activities0
Cost45.29

Other Providers at the Same Location NPPES

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

JENNIFER MARGARET SEGAR M.D.
Internal Medicine (Hematology & Oncology)
7500 FANNIN ST STE 500
HOUSTON, TX 77054
Harris County (832) 384-7900

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 Peter Demaria's NPI number?

The NPI number for Peter Demaria is 1811230873. It was assigned to this individual provider in the NPPES registry on March 28, 2013.

Where is Peter Demaria located?

Peter Demaria practices at 7500 Fannin St Ste 500, Houston, TX 77054. The listed phone number is (713) 795-0202.

What is Peter Demaria's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Peter Demaria enrolled in Medicare?

Yes. Peter Demaria 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.

What insurance does Peter Demaria accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 7 other insurers list Peter Demaria as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Peter Demaria was last updated on May 19, 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.