Doctor profile · Federal record
Dr. Mark Fitzsimmons, MD
Family Medicine Physician (CMS: Family Practice) · Port Washington, WI
- NPI 1639284706
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1475 W Grand Ave
Port Washington, WI 53074
(262) 268-5100
fax (262) 268-5118 - Mailing address
-
3003 W Good Hope RD
Milwaukee, WI 532092042
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- November 18, 2021
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Wisconsin #33627
- Medicaid
- WI #31986200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639284706. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
642
Distinct HCPCS
10
Medicare allowed
$74,001
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 245 | 164 | $120 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 115 | 115 | $121 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 85 | 69 | $167 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 65 | 59 | $85 | |
G0008 |
Administration of influenza virus vaccine | 43 | 43 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 39 | 39 | $72 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 15 | 15 | $14 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 12 | 12 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 12 | 12 | $29 | |
99496 |
Transitional care management services for problem of high complexity | 11 | 11 | $261 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 67. This provider delivers 9.6× the peer median.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 1 | $124.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,554
Patients
916
Total drug cost
$49,810
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 825 | 215 | $12,044 |
| Amlodipine Besylate | Generic | 285 | 69 | $2,120 |
| Lisinopril | Generic | 272 | 73 | $2,537 |
| Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) | Brand | 259 | 64 | $2,718 |
| Levothyroxine Sodium | Generic | 250 | 59 | $4,086 |
| Alendronate Sodium | Generic | 227 | 57 | $2,639 |
| Pantoprazole Sodium | Generic | 214 | 55 | $3,544 |
| Rosuvastatin Calcium | Generic | 196 | 52 | $3,582 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 175 | 41 | $2,770 |
| Losartan Potassium | Generic | 171 | 52 | $2,651 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Fitzsimmons's medical specialty?
Dr. Mark Fitzsimmons practices Family Medicine Physician in Port Washington, WI.
Where does Dr. Mark Fitzsimmons practice?
Dr. Mark Fitzsimmons practices at 1475 W Grand Ave, Port Washington, WI 53074. Office phone: 2622685100.
What is Dr. Mark Fitzsimmons's NPI?
Dr. Mark Fitzsimmons's National Provider Identifier (NPI) is 1639284706, issued by NPPES.
Does Dr. Mark Fitzsimmons accept Medicare assignment?
Yes. Dr. Mark Fitzsimmons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Fitzsimmons 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.