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DR. GREGG POLIDORI MD
NPI 1689665465
Internal Medicine - Gastroenterology in Royal Oak, MI

Active since November 02, 2005PECOS EnrolledAccepts Medicare Assignment
3535 W 13 MILE RD, STE 202, ROYAL OAK, MI 48073(248) 551-0900(248) 551-0905 Get Directions Write a Review

NPPES record last updated: October 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Gregg Polidori Md NPPES

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

DR. GREGG POLIDORI MD (NPI 1689665465) is an individual gastroenterology provider in Royal Oak, Michigan, licensed in Michigan (4301407183) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and maintains a secondary practice location in Royal Oak.

NPPES Registry Identity

NPI1689665465
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. GREGG POLIDORICredential: MD
Location Address3535 W 13 MILE RD, STE 202Royal Oak, MI 48073-6770
Mailing Address3535 W 13 Mile Rd, Ste 202Royal Oak, MI 48073-6770 · (248) 551-0900 · Fax (248) 551-0905
Phone(248) 551-0900
Fax(248) 551-0905
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1986
Enumeration DateNovember 2, 2005
Last NPPES UpdateOctober 20, 2020
NPPES CertifiedOctober 20, 2020
✔ NPI 1689665465 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 MI · 4301407183
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.
3535 W 13 MILE RD, Royal Oak, MI 48073
Open in Google Maps ↗

Secondary Practice Location 1

Location 13535 W 13 Mile Rd Ste LlRoyal Oak, MI 48073-6770 · Phone (248) 551-3000 · Fax (248) 551-2032

Other Identifiers 1

Medicaid2836230MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health 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. Gregg Polidori 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 ID7810951068
PECOS Enrollment IDI20050113000529
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

2

Medicare enrollment records show Gregg Polidori reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beaumont Medical Group- Specialty Services
0.3 mi
Surgery
3601 W 13 MILE RD
Royal Oak, MI 48073
  • Reassigned Medicare billing, Michigan enrollment
  • 1,030 clinicians in this Medicare group
NPI 1578072906 (248) 898-5000
Oakland Gastroenterology Associates, P.C.
17 mi
Gastroenterology
3535 W 13 MILE RD, SUITE 202
Royal Oak, MI 48073
  • Reassigned Medicare billing, Michigan enrollment
  • 6 clinicians in this Medicare group
NPI 1508964511 (248) 551-0900

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.
176 services158 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.
83 services82 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.
69 services69 patients
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.
62 services61 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.
58 services58 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.
57 services54 patients

Hospital Affiliations CMS Care Compare 3

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

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230130
Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County
Emergency services Birthing friendly

Beaumont Hospital - Farmington Hills

Acute Care Hospitals · Farmington Hills, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230151
Location28050 Grand River AvenueFarmington Hills, MI 48336 · Oakland County
Emergency services Birthing friendly

Beaumont Hospital, Troy

Acute Care Hospitals · Troy, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230269
Location44201 Dequindre RoadTroy, MI 48085 · Oakland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48073 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
59%358 patients3/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
42%329 patients
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
76%600 patients4/55-star benchmark: 85%
Depression Utilization of the PHQ-9 Tool
The percentage of patients age 18 and older with the diagnosis of major depression or dysthymia who have a completed PHQ-9 during each applicable 4 month period in which there was a qualifying visit
Patients 4MonthsOfStart: 15% · 34 patients
3%35 patients
Diabetes: Foot Exam
The percentage of patients 18-75 years of age with diabetes (type 1 and type 2) who received a foot exam (visual inspection and sensory exam with mono filament and a pulse exam) during the measurement year
5%87 patients1/55-star benchmark: 98%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
93%87 patients4/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
96%1,648 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
98%1,173 patients4/55-star benchmark: 99%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
40%502 patients2/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
97%937 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
100%1,265 patients5/55-star benchmark: 97%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
23%502 patients2/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
36%1,228 patients2/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
16%830 patients1/55-star benchmark: 88%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
15%1,140 patients1/55-star benchmark: 96%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 82% · 252 patients
87%252 patients
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
100%1,265 patients5/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
49%1,265 patients3/55-star benchmark: 89%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 502 patients
0%502 patients5/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
44%1,265 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

AGNES WROBEL M.D.
Psychiatry & Neurology (Psychiatry)
3535 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 551-1200
DR. HUSNA SHAHNOOR MD
Pediatrics
3535 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 551-3000
HUIYAN JIN
Ophthalmology
3535 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 551-3643
ALMONTASSER BELLA KASSIER MD
Internal Medicine
3535 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 602-8715
DR. RONALD S TAYLOR MD
Physical Medicine & Rehabilitation
3535 W 13 MILE RD, STE 437
ROYAL OAK, MI 48073
Oakland County (248) 288-2210
THWAB FREIHAT
Pediatrics
3535 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 551-3000
LMT REHABILITATION ASSOCIATES
Physical Medicine & Rehabilitation
3535 W 13 MILE RD, SUITE 437
ROYAL OAK, MI 48073
Oakland County (248) 288-2210
ABBY NOWAKOWSKI M.D.
Obstetrics & Gynecology
3535 W 13 MILE RD, SUITE 233
ROYAL OAK, MI 48073
Oakland County (248) 551-0417

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 Gregg Polidori's NPI number?

The NPI number for Gregg Polidori is 1689665465. It was assigned to this individual provider in the NPPES registry on November 2, 2005.

Where is Gregg Polidori located?

Gregg Polidori practices at 3535 W 13 Mile Rd Ste 202, Royal Oak, MI 48073. The listed phone number is (248) 551-0900.

What is Gregg Polidori's specialty?

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

Is Gregg Polidori enrolled in Medicare?

Yes. Gregg Polidori 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 Gregg Polidori's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Polidori reassigns Medicare benefits to 2 organizations: Beaumont Medical Group- Specialty Services (Royal Oak, MI) and Oakland Gastroenterology Associates, P.C. (Royal Oak, MI). 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 Gregg Polidori's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregg Polidori accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Gregg Polidori 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 Gregg Polidori affiliated with any hospitals?

According to CMS data, Gregg Polidori is affiliated with Beaumont Hospital Royal Oak, Beaumont Hospital - Farmington Hills and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Gregg Polidori was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.