Doctor profile · Federal record
Dr. Maxfield Flynn, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Madison, WI
- NPI 1770716185
- Accepts Medicare
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
451 Junction RD
Madison, WI 537172656
(608) 263-5010 - Mailing address
-
7974 Uw Health CT
Middleton, WI 535625531
Credentials & registration
- NPI registered
- September 2009 — 17 yrs on file
- Profile last updated
- February 2, 2021
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Wisconsin #62994
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770716185. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
165
Distinct HCPCS
6
Medicare allowed
$11,014
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 40 | $89 | |
36415 |
Insertion of needle into vein for collection of blood sample | 39 | 26 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 24 | $62 | |
10005 |
Fine needle aspiration biopsy using ultrasound guidance, first growth | 21 | 21 | $65 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 19 | $135 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $77 |
In context: peer comparison
Among 15 peers in Madison Endocrinology, Diabetes & Metabolism Physician, average services per provider: 77. This provider delivers 2.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
617
Patients
87
Total drug cost
$198,452
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 180 | 53 | $3,410 |
| Methimazole | Generic | 57 | 12 | $736 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 53 | 11 | $37,460 |
| Ozempic (Semaglutide) | Brand | 42 | 0 | $55,211 |
| Trulicity (Dulaglutide) | Brand | 39 | 0 | $50,177 |
| Synthroid (Levothyroxine Sodium) | Brand | 37 | 0 | $2,231 |
| Metformin Hcl | Generic | 34 | 11 | $704 |
| Ultra-Fine Mini Pen Needle (Pen Needle, Diabetic) | Brand | 28 | 0 | $2,000 |
| Calcitriol | Generic | 25 | 0 | $571 |
| Hydrocortisone | Generic | 25 | 0 | $936 |
Frequently asked questions
What is Dr. Maxfield Flynn's medical specialty?
Dr. Maxfield Flynn practices Endocrinology, Diabetes & Metabolism Physician in Madison, WI.
Where does Dr. Maxfield Flynn practice?
Dr. Maxfield Flynn practices at 451 Junction RD, Madison, WI 537172656. Office phone: 6082635010.
What is Dr. Maxfield Flynn's NPI?
Dr. Maxfield Flynn's National Provider Identifier (NPI) is 1770716185, issued by NPPES.
Does Dr. Maxfield Flynn accept Medicare assignment?
Yes. Dr. Maxfield Flynn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maxfield Flynn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.