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

HAMMAD NAZEER M.D.
NPI 1255628814
Internal Medicine - Endocrinology, Diabetes & Metabolism in Plano, TX

Active since July 05, 2011PECOS EnrolledAccepts Medicare Assignment
555 REPUBLIC DR STE 100, PLANO, TX 75074(214) 513-2300(214) 513-2333 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 15, 2026, Dec 15, 2025 (2 updates tracked since 2025).

About Hammad Nazeer M.d. NPPES

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

HAMMAD NAZEER M.D. (NPI 1255628814) is an individual endocrinology, diabetes & metabolism provider in Plano, Texas, licensed in Texas (S5030) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., and is a graduate of Other (2006).

NPPES Registry Identity

NPI1255628814
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameHAMMAD NAZEERCredential: M.D.
Location Address555 REPUBLIC DR STE 100Plano, TX 75074-5400
Mailing Address1512 Teasley LnDenton, TX 76205-7282 · (940) 442-5209 · Fax (940) 222-2720
Phone(214) 513-2300
Fax(214) 513-2333
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJuly 5, 2011
Last NPPES UpdateOctober 15, 20262 updates tracked since enumeration
NPPES CertifiedOctober 15, 2026
✔ NPI 1255628814 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 · S5030
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.
555 REPUBLIC DR STE 100, Plano, TX 75074
Open in Google Maps ↗

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Hammad Nazeer 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 ID9234353426
PECOS Enrollment IDI20220706002415
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 Hammad Nazeer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Premier Independent Physicians Group, Inc.
27 mi
Family Medicine
1512 TEASLEY LN
Denton, TX 76205
  • Reassigned Medicare billing, Texas enrollment
  • 41 clinicians in this Medicare group
NPI 1437676640 (940) 442-5209

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

Areas of Expertise CMS Part B claims 7

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
462 services180 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
223 services73 patients
Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
197 services92 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
58 services50 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
48 services48 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

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

5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number450044
Location6201 Harry Hines BlvdDallas, TX 75390 · Dallas County
Emergency services Birthing friendly

Medical City Denton

Acute Care Hospitals · Denton, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450634
Location3535 South I35 EastDenton, TX 76210 · Denton County
Emergency services

Medical City Lewisville

Acute Care Hospitals · Lewisville, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450669
Location500 West Main StreetLewisville, TX 75057 · Denton County
Emergency services Birthing friendly

Texas Health Presbyterian Hospital Flower Mound

Acute Care Hospitals · Flower Mound, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number670068
Location4400 Long Prairie RoadFlower Mound, TX 75028 · Denton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75074 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
7 suppliers55 claims55 services$187.05 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

TEXAS INTERNAL MEDICINE PLLC
Internal Medicine
555 REPUBLIC DR STE 100
PLANO, TX 75074
Collin County (903) 345-6040
REVIVE ENDOCRINOLOGY & DIABETES SPECIALISTS PLLC
Internal Medicine (Endocrinology, Diabetes & Metabolism)
555 REPUBLIC DR STE 100
PLANO, TX 75074
Collin County (214) 770-3610
RABEEA KHALID CHOUDHARY MD
Internal Medicine (Nephrology)
555 REPUBLIC DR STE 100
PLANO, TX 75074
Collin County (972) 308-0000
MED 360 PLLC
Clinic/Center (Urgent Care)
555 REPUBLIC DR STE 100
PLANO, TX 75074
Collin County (972) 365-3514

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 Hammad Nazeer's NPI number?

The NPI number for Hammad Nazeer is 1255628814. It was assigned to this individual provider in the NPPES registry on July 5, 2011.

Where is Hammad Nazeer located?

Hammad Nazeer practices at 555 Republic Dr Ste 100, Plano, TX 75074. The listed phone number is (214) 513-2300.

What is Hammad Nazeer's specialty?

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

Is Hammad Nazeer enrolled in Medicare?

Yes. Hammad Nazeer 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.

Which organization bills Medicare for Hammad Nazeer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hammad Nazeer reassigns Medicare benefits to Premier Independent Physicians Group, Inc. (Denton, 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 Hammad Nazeer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hammad Nazeer 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 4 other insurers list Hammad Nazeer 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.

Is Hammad Nazeer affiliated with any hospitals?

According to CMS data, Hammad Nazeer is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., Medical City Denton, Medical City Lewisville and Texas Health Presbyterian Hospital Flower Mound.

When was this NPI record last updated?

The NPPES record for Hammad Nazeer was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.