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MARY M. FLYNN M.D.
NPI 1992094221
Internal Medicine - Gastroenterology in Worcester, MA

Active since April 07, 2011PECOS EnrolledAccepts Medicare Assignment
97.02/100
CMS Quality Rating
55 LAKE AVE N, WORCESTER, MA 01655(508) 334-2846 Get Directions Write a Review

NPPES record last updated: July 7, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 7, 2022, May 18, 2018, Feb 1, 2017 (3 updates tracked since 2017).

About Mary M. Flynn M.d. NPPES

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

MARY M. FLYNN M.D. (NPI 1992094221) is an individual gastroenterology provider in Worcester, Massachusetts, licensed in Massachusetts (292385) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1992094221
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameMARY M. FLYNNCredential: M.D.
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885
Phone(508) 334-2846
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 2011
Enumeration DateApril 7, 2011
Last NPPES UpdateJuly 7, 20223 updates tracked since enumeration
NPPES CertifiedJuly 7, 2022
✔ NPI 1992094221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in MA · 292385✔ Licensed in GA · 080306
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 ListedHospitalistTaxonomy 208M00000X · License 0101256088 (VA)
55 LAKE AVE N, Worcester, MA 01655
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1157 Union StMarlborough, MA 01752-1228 · Phone (508) 334-3068
Location 221 Eastern AveWorcester, MA 01605-3094 · Phone (508) 856-2500
Location 3119 Belmont StWorcester, MA 01605-2903 · Phone (508) 334-2846

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Mary M. Flynn 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 ID8628207453
PECOS Enrollment IDI20220725000849
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 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.

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.
42 services42 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.
31 services24 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
30 services29 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
29 services17 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.
27 services27 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
26 services26 patients

Hospital Affiliations CMS Care Compare 4

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

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220019
Location100 South StreetSouthbridge, MA 01550 · Worcester County
Emergency services

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220049
Location157 Union StreetMarlborough, MA 01752 · Middlesex County
Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01655 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

97.02/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.09
Promoting Interoperability100
Improvement Activities40

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.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
12 suppliers200 claims19,215 services$0.30 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers11 claims1,650 services$0.01 avg. paid by Medicare
Cyclosporine, oral, 25 mg J7515
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers43 claims5,880 services$0.53 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers53 claims5,580 services$0.18 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
11 suppliers211 claims211 services$17.18 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
9 suppliers98 claims101 services$11.25 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 20

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

HILLARY R. IRONS MD
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 421-1400
MS. EILEEN A. DUHAMEL NP
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-2710
EWA HRYNISZYN CRNA
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
HELEN COPSEY PA-C
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-8585
DR. ADEPEJU GBADEBO CHAMPION M.D.
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-2731
SOWMYA KORAPATI
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-3550
LAYLA FAKHRZADEH M.D.
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
YOONYIE CHO M.D.
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-1000

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 Mary Flynn's NPI number?

The NPI number for Mary Flynn is 1992094221. It was assigned to this individual provider in the NPPES registry on April 7, 2011.

Where is Mary Flynn located?

Mary Flynn practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 334-2846.

What is Mary Flynn's specialty?

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

Is Mary Flynn enrolled in Medicare?

Yes. Mary Flynn 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 Mary Flynn accept?

Health plans from Anthem Blue Cross and Blue Shield list Mary Flynn 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 Mary Flynn affiliated with any hospitals?

According to CMS data, Mary Flynn is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital, Umass Memorial Healthcare-Marlborough Hospital and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Mary Flynn was last updated on July 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.