GREGORY POWELL MD
NPI 1588868541
Internal Medicine - Gastroenterology in Willoughby, OH

Q: What is Gregory Powell's NPI number?

The NPI number for Gregory Powell is 1588868541. It was assigned to this individual provider in the NPPES registry on June 13, 2007.

Q: What is Gregory Powell'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 Gregory Powell was last updated on June 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 13, 2007PECOS EnrolledAccepts Medicare Assignment

36100 EUCLID AVE, SUITE 440, WILLOUGHBY, OH 44094(440) 942-7909(440) 942-7846 Get Directions Write a Review

NPPES record last updated: June 27, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Gregory Powell Md NPPES

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

GREGORY POWELL MD (NPI 1588868541) is an individual gastroenterology provider in Willoughby, Ohio, licensed in Ohio (35082852) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic, and is a graduate of Albany Medical College Of Union University (2000).

NPPES Registry Identity

NPI1588868541

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameGREGORY POWELLCredential: MD

Location Address36100 EUCLID AVE, SUITE 440Willoughby, OH 44094-4456

Mailing Address9500 Euclid AveCleveland, OH 44195-0001 · (440) 386-2267 · Fax (440) 386-2266

Phone(440) 942-7909

Fax(440) 942-7846

Sole ProprietorNo

Medical School CMSAlbany Medical College Of Union UniversityGraduated 2000

Enumeration DateJune 13, 2007

Last NPPES UpdateJune 27, 2014

✔ NPI 1588868541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in OH · 35082852

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.

36100 EUCLID AVE, Willoughby, OH 44094

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Other Identifiers 3

Medicare PINPO4115372OH

Medicaid2424111OH

Medicare UPINH92945

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Corporation of Ohio.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

Gregory Powell Md 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 ID3870687429

PECOS Enrollment IDI20070913000587

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 18

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

83 services83 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

80 services79 patients

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.

69 services69 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.

54 services53 patients

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

41 services39 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.

33 services31 patients

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.

33 services29 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.

32 services32 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.

28 services28 patients

Biopsy of large bowel using a flexible endoscope 45380

22 services22 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

21 services21 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

21 services21 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

21 services21 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

16 services16 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

14 services14 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

12 services12 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.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Cleveland Clinic

Acute Care Hospitals · Cleveland, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360180

Location9500 Euclid AvenueCleveland, OH 44195 · Cuyahoga County

Emergency services Birthing friendly

Hillcrest Hospital

Acute Care Hospitals · Mayfield Heights, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360230

Location6780 Mayfield RoadMayfield Heights, OH 44124 · Cuyahoga County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44094 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

$126.12 typical visit price

range $54.34 – $166.65

Typical copayment $31.53 (range $13.58 – $41.66)

Most-billed visit code 99204

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

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. HARBHAJAN S PARMAR M.D.

Internal Medicine

36100 EUCLID AVE, STE 350
WILLOUGHBY, OH 44094

Lake County (440) 946-8300

DR. LISA A DAVIS M.D.

Plastic Surgery

36100 EUCLID AVE, #490
WILLOUGHBY, OH 44094

Lake County (440) 953-1818

GEORGE ELI DROGOMIR PA-C

Internal Medicine (Rheumatology)

36100 EUCLID AVE, SUITE 170
WILLOUGHBY, OH 44094

Lake County (440) 953-8700

BORIS VINOGRADSKY MD INC

Surgery

36100 EUCLID AVE
WILLOUGHBY, OH 44094

Lake County (440) 953-8055

LAKE ENT INC

Otolaryngology

36100 EUCLID AVE, #350
WILLOUGHBY, OH 44094

Lake County (440) 942-9308

DR. MARK E ANGEL M.D.

Internal Medicine (Interventional Cardiology)

36100 EUCLID AVE, #300
WILLOUGHBY, OH 44094

Lake County (440) 942-5400

MRS. JOY JEAN IANIRO NURSE PRACTITIONER

Nurse Practitioner

36100 EUCLID AVE, 120
WILLOUGHBY, OH 44094

Lake County (440) 951-8360

DR. MOHAMED A ATASSI MD

Internal Medicine (Cardiovascular Disease)

36100 EUCLID AVE, SUITE 120
WILLOUGHBY, OH 44094

Lake County (440) 951-8360

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 Powell's NPI number?

The NPI number for Gregory Powell is 1588868541. It was assigned to this individual provider in the NPPES registry on June 13, 2007.

Where is Gregory Powell located?

Gregory Powell practices at 36100 Euclid Ave Suite 440, Willoughby, OH 44094. The listed phone number is (440) 942-7909.

What is Gregory Powell's specialty?

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

Is Gregory Powell enrolled in Medicare?

Yes. Gregory Powell 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 Gregory Powell accept?

Health plans from Oscar Insurance Corporation of Ohio list Gregory Powell 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 Gregory Powell affiliated with any hospitals?

According to CMS data, Gregory Powell is affiliated with Cleveland Clinic and Hillcrest Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Powell was last updated on June 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.