Doctor profile · Federal record

Dr. Gretchen Halker, N.P.

Family Nurse Practitioner (CMS: Nurse Practitioner) · Highlands Ranch, CO

  • NPI 1134454432
  • Accepts Medicare
  • MIPS 77.2 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8671 S Quebec St Ste 200
Highlands Ranch, CO 801305861
(303) 805-7477
Additional location
9998 N Dransfeldt RD
Parker, CO 801344022
(303) 841-5266

Credentials & registration

NPPES · NUCC
NPI registered
October 2009 — 17 yrs on file
Profile last updated
December 16, 2024
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Colorado #NP10140

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134454432. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
176
Distinct HCPCS
4
Medicare allowed
$19,949
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 116 70 $109
99213 Established patient office or other outpatient visit, 20-29 minutes 24 23 $79
99215 Established patient office or other outpatient visit, 40-54 minutes 20 20 $155
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $144

In context: peer comparison

Among 9 peers in this city , average services per provider: 199. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$120
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Nevro Corp. 2 $65.24
Boston Scientific Corporation 2 $54.86

By nature of payment

Food and Beverage
$120

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
96
Patients
48
Total drug cost
$67,507
Drug Type Claims Patients Total cost
Gabapentin Generic 44 25 $1,235
Methocarbamol Generic 26 23 $186
Forteo (Teriparatide) Brand 15 0 $65,987
Meloxicam Generic 11 0 $99

Frequently asked questions

Auto-generated from federal data
What is Dr. Gretchen Halker's medical specialty?
Dr. Gretchen Halker practices Family Nurse Practitioner in Highlands Ranch, CO.
Where does Dr. Gretchen Halker practice?
Dr. Gretchen Halker practices at 8671 S Quebec St Ste 200, Highlands Ranch, CO 801305861. Office phone: 3038057477.
What is Dr. Gretchen Halker's NPI?
Dr. Gretchen Halker's National Provider Identifier (NPI) is 1134454432, issued by NPPES.
Does Dr. Gretchen Halker accept Medicare assignment?
Yes. Dr. Gretchen Halker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Halker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.