DR. GREGORY BLAIN MARTIN M.D.
NPI 1457529927
Radiology - Vascular & Interventional Radiology in Englewood, CO

Q: What is Gregory Martin's NPI number?

The NPI number for Gregory Martin is 1457529927. It was assigned to this individual provider in the NPPES registry on February 18, 2008.

Q: What is Gregory Martin's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Martin was last updated on March 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 February 18, 2008PECOS EnrolledAccepts Medicare Assignment

72.82/100

CMS Quality Rating

501 E HAMPDEN AVE, ENGLEWOOD, CO 80113(303) 761-9190(720) 874-4462 Get Directions Write a Review

NPPES record last updated: March 29, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 17, 2023, Dec 14, 2022, Jul 15, 2016 and 9 more (12 updates tracked since 2015).

On this page

About Dr. Gregory Blain Martin M.d. NPPES

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

DR. GREGORY BLAIN MARTIN M.D. (NPI 1457529927) is an individual vascular & interventional radiology provider in Englewood, Colorado, licensed in Colorado (DR.0056120) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2007).

NPPES Registry Identity

NPI1457529927

Entity TypeIndividualMale

Primary Taxonomy2085R0204X

Provider Legal NameDR. GREGORY BLAIN MARTINCredential: M.D.

Location Address501 E HAMPDEN AVEEnglewood, CO 80113-2702

Mailing Address10800 E Geddes Ave Ste 300Englewood, CO 80112-3895 · (303) 761-9190 · Fax (720) 874-4462

Phone(303) 761-9190

Fax(720) 874-4462

Sole ProprietorNo

Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2007

Enumeration DateFebruary 18, 2008

Last NPPES UpdateMarch 29, 202412 updates tracked since enumeration

NPPES CertifiedMarch 29, 2024

✔ NPI 1457529927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0204X

Licenses✔ Licensed in CO · DR.0056120✔ Licensed in UT · 7465134-1205

Definition

A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License MD18497 (HI), 56120 (CO), 28911 (NE), 7465134-1205 (UT), 04-38620 (KS)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 73301 (CO)

501 E HAMPDEN AVE, Englewood, CO 80113

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Other Identifiers 17

Medicaid201127660AKS

Other5033909UT · Aetna Healthcare

Medicaid72231033NM

OtherP01180703UT · Railroad Medicare

Medicaid091605AZ

Other1457529927UT · Emi Health

Medicaid1457529927IA

Other107120143101UT · Selecthealth

Other1137619UT · Dmba

Other1457529927UT · Molina Healthcare

Other10000009363001UT · Bcbsu

Other145450UT · Pehp

Medicaid1457529927UT

Medicaid1457529927MT

Medicaid1457529927WY

Medicaid20062369AOK

Medicaid81700059CO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas, Inc., Oscar Health, Oscar Insurance Company 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. Gregory Blain Martin 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 ID9032357546

PECOS Enrollment IDI20151204000611, I20151222001121, I20160330002268

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 Reassignments

Medicare enrollment records show Gregory Martin reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Uchealth Imaging Services LLC

4.8 mi

Radiology

100 COOK ST STE 404
Denver, CO 80206

Reassigned Medicare billing, Colorado enrollment
320 clinicians in this Medicare group

NPI 1093338337 (720) 516-9420

Ria Endovascular, LLC

5.1 mi

Diagnostic Radiology

8200 E BELLEVIEW AVE, #600E
Greenwood Village, CO 80111

Reassigned Medicare billing, Colorado enrollment
46 clinicians in this Medicare group

NPI 1558301077 (720) 493-3406

Medical Imaging Of Colorado Radiology Imaging Assc PC Etal Pt

8.0 mi

Diagnostic Radiology

10800 E GEDDES AVE STE 300
Englewood, CO 80112

Reassigned Medicare billing, Colorado enrollment
160 clinicians in this Medicare group

NPI 1336188234 (303) 761-9190

Radiology Imaging Associates, PC

8.0 mi

Diagnostic Radiology

10800 E GEDDES AVE STE 300
Englewood, CO 80112

Reassigned Medicare billing, Colorado, Hawaii and Kansas enrollments
162 clinicians in this Medicare group

NPI 1679513196 (303) 761-9190

Banner Imaging Services Colorado LLC

53 mi

Diagnostic Radiology

1900 BOISE AVE STE 110
Loveland, CO 80538

Reassigned Medicare billing, Colorado enrollment
126 clinicians in this Medicare group

NPI 1326674979 (970) 820-6518

Gunnison Valley Hospital

118 mi

Urgent Care

12 SNOWMASS ROAD, #100
Crested Butte, CO 81225

Reassigned Medicare billing, Colorado enrollment
176 clinicians in this Medicare group

NPI 1134754153 (970) 349-0321

Radiology Imaging Of Nebraska, LLC

172 mi

Diagnostic Radiology

4021 AVENUE B
Scottsbluff, NE 69361

Reassigned Medicare billing, Colorado and Hawaii enrollments
131 clinicians in this Medicare group

NPI 1184869901 (308) 635-3711

Hawaii Radiologic Associates, Ltd.

3,261 mi

Diagnostic Radiology

670 PONAHAWAI ST., SUITE 110
Hilo, HI 96720

Reassigned Medicare billing, Colorado and Hawaii enrollments
127 clinicians in this Medicare group

NPI 1174679443 (808) 933-2540

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 27

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.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

122 services120 patients

Injection, midazolam hydrochloride, per 1 mg J2250

Midazolam hydrochloride is a medication injected to help you relax or sleep before surgery or certain medical procedures. It works by calming the brain and nerves. It's given in small doses, measured in milligrams (mg).

49 services16 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

41 services41 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

40 services35 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

34 services34 patients

Injection, fentanyl citrate, 0.1 mg J3010

Fentanyl citrate is a potent pain medication administered via injection. The 0.1 mg dosage is used to manage severe pain conditions. It works by blocking pain signals to the brain. It's crucial to follow the dosage instructions to prevent potential side effects.

28 services15 patients

Limited or follow-up ct scan 76380

A limited or follow-up CT scan is a procedure where a specialized X-ray machine takes multiple images of your body from different angles. This scan focuses on a specific area and helps doctors track progress or changes after treatment or over time. It's non-invasive and usually quick.

26 services14 patients

Injection of chemical agent into multiple incompetent veins of leg 36471

This procedure involves injecting a special chemical into problematic veins in the leg. The chemical helps to close off these veins, rerouting blood through healthier veins. This can alleviate discomfort and improve the appearance of the treated area.

25 services21 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

24 services24 patients

Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch 36247

This procedure involves placing a tube into an artery in the abdomen, pelvis, or leg. The tube is inserted into the initial third order branch of the artery. This can help doctors diagnose or treat certain conditions by allowing access to these blood vessels.

23 services18 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

20 services18 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

20 services13 patients

Occlusion of growths or obstructed vessels with review by radiologist 37243

This procedure involves blocking abnormal growths or blocked vessels in your body. A radiologist, a doctor specialized in imaging techniques, will review the process. The aim is to improve your health by preventing these issues from causing further complications.

19 services18 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

19 services19 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

18 services18 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

18 services18 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

18 services16 patients

Aspiration of fluid from chest cavity using imaging guidance 32555

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

16 services14 patients

Review by radiologist of pelvis artery image 75736

This procedure involves a radiologist examining images of your pelvic arteries. These images help identify any abnormalities or blockages that could affect your blood flow. It's a crucial step in diagnosing and planning treatment for various conditions.

16 services15 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

16 services16 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.

16 services16 patients

Insertion of tube into abdominal, pelvic, or leg artery, additional second, third, and beyond 36248

This procedure involves placing a tube into an artery in the abdomen, pelvis, or leg. It's done to improve blood flow or deliver medication. If more than one tube is needed, each additional insertion is done separately.

15 services12 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

13 services13 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

13 services13 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.

13 services13 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

12 services12 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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80113 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

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.

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.

72.82/100

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

Scored as part of a group practice

Quality

99.68

Improvement Activities

Cost

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.

KEVIN K JOHNSON MD

Radiology (Diagnostic Radiology)

501 E HAMPDEN AVE
ENGLEWOOD, CO 80113

Arapahoe County (303) 761-9190

MS. JANET RUTH DUBRICK NNP

Nurse Practitioner (Neonatal)

501 E HAMPDEN AVE, S 5556
ENGLEWOOD, CO 80113

Arapahoe County (303) 788-6515

ALIDA RAE NEAR M.D.

Anesthesiology

501 E HAMPDEN AVE
ENGLEWOOD, CO 80113

Arapahoe County (303) 788-6749

CHERYL A. MELICK MD

General Practice

501 E HAMPDEN AVE
ENGLEWOOD, CO 80113

Arapahoe County (303) 788-6911

DR. DENETTA SUE SLONE MD

Surgery

501 E HAMPDEN AVE
ENGLEWOOD, CO 80113

Arapahoe County (303) 788-5300

CLAIRE SAKAMOTO PA

Physician Assistant

501 E HAMPDEN AVE
ENGLEWOOD, CO 80113

Arapahoe County (303) 788-6911

HEALTHONE CLINIC SERVICES - SURGERY NEUROLOGICAL LLC

Neurological Surgery

501 E HAMPDEN AVE
ENGLEWOOD, CO 80113

Arapahoe County (303) 788-5000

DR. WILLIAM DUNFEE M.D.

Radiology (Diagnostic Radiology)

501 E HAMPDEN AVE
ENGLEWOOD, CO 80113

Arapahoe County (303) 761-9190

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 Martin's NPI number?

The NPI number for Gregory Martin is 1457529927. It was assigned to this individual provider in the NPPES registry on February 18, 2008.

Where is Gregory Martin located?

Gregory Martin practices at 501 E Hampden Ave, Englewood, CO 80113. The listed phone number is (303) 761-9190.

What is Gregory Martin's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is Gregory Martin enrolled in Medicare?

Yes. Gregory Martin 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 organizations bill Medicare for Gregory Martin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Martin reassigns Medicare benefits to 8 organizations: Uchealth Imaging Services LLC (Denver, CO), Ria Endovascular, LLC (Greenwood Village, CO), Medical Imaging Of Colorado Radiology Imaging Assc PC Etal Pt (Englewood, CO), Radiology Imaging Associates, PC (Englewood, CO), Banner Imaging Services Colorado LLC (Loveland, CO) and 3 more organizations, listed in the Medicare section above. Each 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 Gregory Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Martin accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc., Oscar Health, Oscar Insurance Company and Select Health list Gregory Martin 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 Gregory Martin was last updated on March 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.