DR. NICHOLAS PEREZ MARTINEZ M.D.
NPI 1174843726
Internal Medicine - Gastroenterology in San Antonio, TX

Q: What is Nicholas Martinez's NPI number?

The NPI number for Nicholas Martinez is 1174843726. It was assigned to this individual provider in the NPPES registry on June 6, 2010.

Q: What is Nicholas Martinez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Nicholas Martinez was last updated on July 19, 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.

Active since June 06, 2010PECOS EnrolledAccepts Medicare Assignment

77.36/100

CMS Quality Rating

8550 DATAPOINT DR, SUITE 200, SAN ANTONIO, TX 78229(210) 615-8308(210) 616-2121 Get Directions Write a Review

NPPES record last updated: July 19, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Nicholas Perez Martinez M.d. NPPES

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

DR. NICHOLAS PEREZ MARTINEZ M.D. (NPI 1174843726) is an individual gastroenterology provider in San Antonio, Texas, licensed in Texas (P7155) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1174843726

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. NICHOLAS PEREZ MARTINEZCredential: M.D.

Location Address8550 DATAPOINT DR, SUITE 200San Antonio, TX 78229-3270

Mailing Address8550 Datapoint Dr, Suite 200San Antonio, TX 78229-3270 · (210) 615-8308 · Fax (210) 616-2121

Phone(210) 615-8308

Fax(210) 616-2121

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateJune 6, 2010

Last NPPES UpdateJuly 19, 2016

✔ NPI 1174843726 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · P7155

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

8550 DATAPOINT DR, San Antonio, TX 78229

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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

Dr. Nicholas Perez Martinez 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 ID345535688

PECOS Enrollment IDI20160825000268

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 Nicholas Martinez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gastroenterology Clinic Of San Antonio, P.A.

Same address

Gastroenterology

8550 DATAPOINT DR, SUITE 200
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Gastroenterology Clinic Of San Antonio PA
12 clinicians in this Medicare group

NPI 1053490631 (210) 615-8308

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 12

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.

342 services181 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

148 services21 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

147 services49 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

82 services21 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

56 services55 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

47 services46 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

45 services35 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

44 services44 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

41 services14 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

30 services29 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

24 services23 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

15 services14 patients

Hospital Affiliations CMS Care Compare

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

Methodist Hospital

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450388

Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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.

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.

77.36/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

74.42

Promoting Interoperability

Improvement Activities

Cost

60.96

Referred Medical Equipment & Supplies CMS DME claims 6

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

Enteral formula, nutritionally complete, hydrolyzed proteins (amino acids and peptide chain), includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4153

Other-Enteral and Parenteral · category OB006N

2 suppliers16 claims7,590 services$0.97 avg. paid by Medicare

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185

Other-Enteral and Parenteral · category OB005N

1 supplier98 claims2,924 services$11.26 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197

Other-Enteral and Parenteral · category OB005N

1 supplier59 claims400 services$281.22 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, over 100 grams of protein - premix B4199

Other-Enteral and Parenteral · category OB005N

1 supplier39 claims231 services$319.35 avg. paid by Medicare

Parenteral nutrition supply kit; premix, per day B4220

Other-Enteral and Parenteral · category OB005N

1 supplier98 claims631 services$8.03 avg. paid by Medicare

Parenteral nutrition administration kit, per day B4224

Other-Enteral and Parenteral · category OB005N

1 supplier98 claims631 services$25.08 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 10

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

UAP SAN ANTONIO ENDO, LLC

Nurse Anesthetist, Certified Registered

8550 DATAPOINT DR, SUITE 100
SAN ANTONIO, TX 78229

Bexar County (972) 763-3893

GASTROENTEROLOGY CLINIC OF SAN ANTONIO, P.A.

Internal Medicine (Gastroenterology)

8550 DATAPOINT DR, SUITE 200
SAN ANTONIO, TX 78229

Bexar County (210) 615-8308

DR. GARY SCOTT GOSSEN M.D.

Internal Medicine (Gastroenterology)

8550 DATAPOINT DR, SUITE 200
SAN ANTONIO, TX 78229

Bexar County (210) 615-8308

DR. BASSEM MAZLOUM M.D.

Specialist

8550 DATAPOINT DR, SUITE 200
SAN ANTONIO, TX 78229

Bexar County (210) 615-8308

VICTOR FRANZ ZURITA MD

Internal Medicine (Gastroenterology)

8550 DATAPOINT DR, SUITE 200
SAN ANTONIO, TX 78229

Bexar County (210) 615-8308

CHARLES W RANDALL MD

Internal Medicine (Gastroenterology)

8550 DATAPOINT DR, SUITE 200
SAN ANTONIO, TX 78229

Bexar County (210) 615-8308

BRITNEY SALAZAR

Nurse Practitioner

8550 DATAPOINT DR
SAN ANTONIO, TX 78229

Bexar County (210) 615-8308

DAVID L STUMP MD

Internal Medicine (Gastroenterology)

8550 DATAPOINT DR, SUITE 200
SAN ANTONIO, TX 78229

Bexar County (210) 615-8308

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 Nicholas Martinez's NPI number?

The NPI number for Nicholas Martinez is 1174843726. It was assigned to this individual provider in the NPPES registry on June 6, 2010.

Where is Nicholas Martinez located?

Nicholas Martinez practices at 8550 Datapoint Dr Suite 200, San Antonio, TX 78229. The listed phone number is (210) 615-8308.

What is Nicholas Martinez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Nicholas Martinez enrolled in Medicare?

Yes. Nicholas Martinez 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 Nicholas Martinez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Martinez reassigns Medicare benefits to Gastroenterology Clinic Of San Antonio, P.A. (San Antonio, 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 Nicholas Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Martinez accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Nicholas Martinez 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 Nicholas Martinez affiliated with any hospitals?

According to CMS data, Nicholas Martinez is affiliated with Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Martinez was last updated on July 19, 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.