Doctor profile · Federal record

Dr. Michael Sullivan, M.D.

Family Medicine Physician (CMS: Family Practice) · Watertown, WI

  • NPI 1093883142
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
127 Hospital Dr
Watertown, WI 530983303
(920) 261-8500

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
April 7, 2022
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #46656
Medicaid
WI #34560600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093883142. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,163
Distinct HCPCS
10
Medicare allowed
$205,717
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 526 245 $120
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 192 192 $122
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 142 65 $70
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 131 60 $101
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 112 112 $282
93793 Anticoagulant management of patient taking warfarin 112 13 $11
G0009 Administration of pneumococcal vaccine 112 112 $29
99213 Established patient office or other outpatient visit, 20-29 minutes 110 97 $85
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 108 92 $125
G0008 Administration of influenza virus vaccine 101 100 $29

In context: peer comparison

Among 3 peers in this city , average services per provider: 77. This provider delivers 28× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,622
Patients
1,009
Total drug cost
$275,112
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 721 196 $8,712
Levothyroxine Sodium Generic 451 90 $6,996
Lisinopril Generic 342 79 $3,265
Amlodipine Besylate Generic 318 82 $2,503
Omeprazole Generic 317 78 $4,389
Eliquis (Apixaban) Brand 300 35 $136,914
Losartan Potassium Generic 295 70 $4,404
Furosemide Generic 263 59 $1,616
Sertraline Hcl Generic 262 58 $2,572
Gabapentin Generic 256 50 $6,552

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Sullivan's medical specialty?
Dr. Michael Sullivan practices Family Medicine Physician in Watertown, WI.
Where does Dr. Michael Sullivan practice?
Dr. Michael Sullivan practices at 127 Hospital Dr, Watertown, WI 530983303. Office phone: 9202618500.
What is Dr. Michael Sullivan's NPI?
Dr. Michael Sullivan's National Provider Identifier (NPI) is 1093883142, issued by NPPES.
Does Dr. Michael Sullivan accept Medicare assignment?
Yes. Dr. Michael Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.