DR. MARGARET FLYNN MD
NPI 1821094491
Internal Medicine - Endocrinology, Diabetes & Metabolism in Nashua, NH

Active since June 28, 2005PECOS EnrolledAccepts Medicare Assignment
90.85/100
CMS Quality Rating
166 KINSLEY ST STE 101, NASHUA, NH 03060(603) 881-7141(603) 880-7221 Get Directions Write a Review

NPPES record last updated: July 19, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 19, 2022, Apr 8, 2021 (2 updates tracked since 2021).

About Dr. Margaret Flynn Md NPPES

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

DR. MARGARET FLYNN MD (NPI 1821094491) is an individual endocrinology, diabetes & metabolism provider in Nashua, New Hampshire, licensed in New Hampshire (9887) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of Geisel School Of Medicine At Dartmouth (1990).

NPPES Registry Identity

NPI1821094491
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. MARGARET FLYNNCredential: MD
Location Address166 KINSLEY ST STE 101Nashua, NH 03060-3676
Mailing AddressPo Box 2013Nashua, NH 03061-2013 · (603) 578-5090 · Fax (603) 595-2997
Fax(603) 880-7221
Sole ProprietorNo
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 1990
Enumeration DateJune 28, 2005
Last NPPES UpdateJuly 19, 20222 updates tracked since enumeration
NPPES CertifiedJuly 19, 2022
NPI 1821094491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in NH · 9887
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 9887 (NH)
166 KINSLEY ST STE 101, Nashua, NH 03060

Other Identifiers 2

Other9887NH · Nh License
Medicaid2005549MA

Accepted 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

Dr. Margaret Flynn 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 ID1456330794
PECOS Enrollment IDI20060131000729
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 6

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.
525 services291 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
243 services93 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.
59 services59 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.
28 services23 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.
21 services21 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.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

St Joseph Hospital

Acute Care Hospitals · Nashua, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number300011
Location172 Kinsley StNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Elliot Hospital

Acute Care Hospitals · Manchester, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300012
Location1 Elliot WayManchester, NH 03103 · Hillsborough County
Emergency services Birthing friendly

Southern Nh Medical Center

Acute Care Hospitals · Nashua, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300020
Location8 Prospect StreetNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Catholic Medical Center

Acute Care Hospitals · Manchester, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300034
Location100 Mcgregor StreetManchester, NH 03102 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03060 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
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
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.

90.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.14
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 7

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
7 suppliers46 claims580 services$17.66 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
7 suppliers53 claims1,735 services$2.32 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
26 suppliers96 claims406 services$6.20 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
18 suppliers40 claims77 services$1.02 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
5 suppliers45 claims45 services$297.86 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
8 suppliers26 claims4,180 services$7.06 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 5

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
166 KINSLEY ST STE 101
NASHUA, NH 03060
Nurse Practitioner (Family)
166 KINSLEY ST STE 101
NASHUA, NH 03060
Internal Medicine (Endocrinology, Diabetes & Metabolism)
166 KINSLEY ST STE 101
NASHUA, NH 03060
Physician Assistant
166 KINSLEY ST STE 101
NASHUA, NH 03060
Internal Medicine (Pulmonary Disease)
166 KINSLEY ST STE 101
NASHUA, NH 03060

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 Margaret Flynn's NPI number?

The NPI number for Margaret Flynn is 1821094491. It was assigned to this individual provider in the NPPES registry on June 28, 2005.

Where is Margaret Flynn located?

Margaret Flynn practices at 166 Kinsley St Ste 101, Nashua, NH 03060. The listed phone number is (603) 881-7141.

What is Margaret Flynn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Margaret Flynn enrolled in Medicare?

Yes. Margaret 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 Margaret Flynn accept?

Health plans from Ambetter from NH Healthy Families and Harvard Pilgrim Health Care list Margaret 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 Margaret Flynn affiliated with any hospitals?

According to CMS data, Margaret Flynn is affiliated with Mary Hitchcock Memorial Hospital, St Joseph Hospital, Elliot Hospital, Southern Nh Medical Center and Catholic Medical Center.

When was this NPI record last updated?

The NPPES record for Margaret Flynn was last updated on July 19, 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.