DR. MAXFIELD PATRICK FLYNN M.D.
NPI 1770716185
Internal Medicine - Endocrinology, Diabetes & Metabolism in Madison, WI

Active since September 01, 2009PECOS EnrolledAccepts Medicare Assignment
451 JUNCTION RD, MADISON, WI 53717(608) 263-5010 Get Directions Write a Review

NPPES record last updated: February 2, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Maxfield Patrick Flynn M.d. NPPES

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

DR. MAXFIELD PATRICK FLYNN M.D. (NPI 1770716185) is an individual endocrinology, diabetes & metabolism provider in Madison, Wisconsin, licensed in Wisconsin (62994) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS, is affiliated with Uw Health, and is a graduate of Northwestern University Feinberg Medical School (2009).

NPPES Registry Identity

NPI1770716185
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. MAXFIELD PATRICK FLYNNCredential: M.D.
Location Address451 JUNCTION RDMadison, WI 53717-2656
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2009
Enumeration DateSeptember 1, 2009
Last NPPES UpdateFebruary 2, 2021
NPPES CertifiedFebruary 2, 2021
NPI 1770716185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in WI · 62994
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.

451 JUNCTION RD, Madison, WI 53717

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. Maxfield Patrick 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 ID6406076769
PECOS Enrollment IDI20141008002033
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 7

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
43 services25 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.
38 services36 patients
Fine needle aspiration biopsy using ultrasound guidance, first growth 10005
Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.
33 services32 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.
26 services26 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.
18 services18 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
16 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Uw Health

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140228
Location1401 East State StreetRockford, IL 61104 · Winnebago County
Emergency services Birthing friendly

Unitypoint Health - Meriter

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520089
Location202 S Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53717 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

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.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
8 suppliers17 claims194 services$16.66 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
8 suppliers19 claims644 services$2.23 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers20 claims125 services$6.46 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
3 suppliers11 claims11 services$339.39 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
5 suppliers14 claims1,400 services$7.50 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
6 suppliers129 claims134 services$191.36 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.

Physician Assistant (Medical)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine (Endocrinology, Diabetes & Metabolism)
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717
Pharmacy
451 JUNCTION RD, SUITE 9901, ROOM 1191
MADISON, WI 53717
Nurse Practitioner
451 JUNCTION RD
MADISON, WI 53717
Nurse Practitioner
451 JUNCTION RD
MADISON, WI 53717
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717

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 Maxfield Flynn's NPI number?

The NPI number for Maxfield Flynn is 1770716185. It was assigned to this individual provider in the NPPES registry on September 1, 2009.

Where is Maxfield Flynn located?

Maxfield Flynn practices at 451 Junction Rd, Madison, WI 53717. The listed phone number is (608) 263-5010.

What is Maxfield Flynn's specialty?

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

Is Maxfield Flynn enrolled in Medicare?

Yes. Maxfield 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 Maxfield Flynn accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz and 1 other insurer list Maxfield 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 Maxfield Flynn affiliated with any hospitals?

According to CMS data, Maxfield Flynn is affiliated with Uw Health, Unitypoint Health - Meriter and University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for Maxfield Flynn was last updated on February 2, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.