Doctor profile · Federal record

Dr. Sarah Gelhaar, NP

Nurse Practitioner · Milwaukee, WI

  • NPI 1992318091
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2900 W Oklahoma Ave
Milwaukee, WI 532154330
(414) 649-6000
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2020 — 6 yrs on file
Profile last updated
October 16, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Wisconsin #10473
Medicaid
WI #100120813

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992318091. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
125
Distinct HCPCS
2
Medicare allowed
$10,759
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 84 53 $97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 41 28 $64

In context: peer comparison

Among 147 peers in Milwaukee Nurse Practitioner, average services per provider: 61. This provider delivers 2.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Gelhaar's medical specialty?
Dr. Sarah Gelhaar practices Nurse Practitioner in Milwaukee, WI.
Where does Dr. Sarah Gelhaar practice?
Dr. Sarah Gelhaar practices at 2900 W Oklahoma Ave, Milwaukee, WI 532154330. Office phone: 4146496000.
What is Dr. Sarah Gelhaar's NPI?
Dr. Sarah Gelhaar's National Provider Identifier (NPI) is 1992318091, issued by NPPES.
Does Dr. Sarah Gelhaar accept Medicare assignment?
Yes. Dr. Sarah Gelhaar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Gelhaar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.