Doctor profile · Federal record

Dr. Jennifer Macgaffey, MD

Internal Medicine Physician (CMS: Internal Medicine) · Wauwatosa, WI

  • NPI 1497786842
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3289 N Mayfair Road
Wauwatosa, WI 53222
(414) 771-7900
fax (414) 607-6336
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 4, 2024
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #35903
Medicaid
WI #32222800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497786842. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
384
Distinct HCPCS
6
Medicare allowed
$37,749
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 138 87 $120
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 86 86 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 76 57 $85
G0008 Administration of influenza virus vaccine 33 33 $29
90662 Influenza vaccine split virus, preservative free 32 32 $72
99212 Established patient office or other outpatient visit, 10-19 minutes 19 18 $53

In context: peer comparison

Among 9 peers in Wauwatosa Internal Medicine Physician, average services per provider: 66. This provider delivers 5.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,973
Patients
863
Total drug cost
$47,987
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 483 126 $5,807
Losartan Potassium Generic 329 85 $4,486
Rosuvastatin Calcium Generic 211 64 $3,976
Trazodone Hcl Generic 203 56 $3,916
Gabapentin Generic 199 56 $4,344
Levothyroxine Sodium Generic 180 52 $3,180
Pantoprazole Sodium Generic 179 66 $4,084
Omeprazole Generic 177 52 $3,242
Amlodipine Besylate Generic 166 54 $987
Montelukast Sodium Generic 164 43 $2,803

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Macgaffey's medical specialty?
Dr. Jennifer Macgaffey practices Internal Medicine Physician in Wauwatosa, WI.
Where does Dr. Jennifer Macgaffey practice?
Dr. Jennifer Macgaffey practices at 3289 N Mayfair Road, Wauwatosa, WI 53222. Office phone: 4147717900.
What is Dr. Jennifer Macgaffey's NPI?
Dr. Jennifer Macgaffey's National Provider Identifier (NPI) is 1497786842, issued by NPPES.
Does Dr. Jennifer Macgaffey accept Medicare assignment?
Yes. Dr. Jennifer Macgaffey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Macgaffey 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 99213). Source: CMS Medicare Physician & Other Practitioners file.