Doctor profile · Federal record

Dr. Melanie Ondrejko, CRNP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Frederick, MD

  • NPI 1992265656
  • Accepts Medicare
  • MIPS 86.8 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
501 W 7Th St
Frederick, MD 21701
(240) 575-2526
fax (240) 439-8910
Additional location
400 W 7Th St
Frederick, MD 217014506
(240) 566-3300
Mailing address
Po Box 37086
Baltimore, MD 212973086

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
July 30, 2019
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Maryland #R211211

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992265656. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
146
Distinct HCPCS
3
Medicare allowed
$22,583
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 92 75 $187
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 42 41 $106
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 12 12 $75

In context: peer comparison

Among 6 peers in Frederick Acute Care Nurse Practitioner, average services per provider: 99. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Melanie Ondrejko's medical specialty?
Dr. Melanie Ondrejko practices Acute Care Nurse Practitioner in Frederick, MD.
Where does Dr. Melanie Ondrejko practice?
Dr. Melanie Ondrejko practices at 501 W 7Th St, Frederick, MD 21701. Office phone: 2405752526.
What is Dr. Melanie Ondrejko's NPI?
Dr. Melanie Ondrejko's National Provider Identifier (NPI) is 1992265656, issued by NPPES.
Does Dr. Melanie Ondrejko accept Medicare assignment?
Yes. Dr. Melanie Ondrejko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melanie Ondrejko commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556). Source: CMS Medicare Physician & Other Practitioners file.