NPPES file of Aug 9, 2026

Gretchen Marie Halker, N.P.

Family Nurse Practitioner · Highlands Ranch, CO

Gretchen Marie Halker, N.P. is a family nurse practitioner with a practice address in Highlands Ranch, Colorado, and NPI 1134454432, issued on Oct 5, 2009. Check the license (Colorado NP10140, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134454432
Name
Gretchen Marie Halker
Credential
N.P.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
NP10140 CO
Self-reported in NPPES; status is on the state search
Practice location
8671 S Quebec St Ste 200, Highlands Ranch, CO 80130
Phone
(303) 805-7477
Enumerated
Oct 5, 2009
Record last updated
Dec 16, 2024
Medicare enrollment
Enrolled (PECOS I20100615000553); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8671 S Quebec St Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Teresa Affrunti, DNP, FNP-BCFamily Nurse Practitioner1316427495
  2. Alessandra Bailey, MDVascular & Interventional Radiology Physician1104745983
  3. Suzanne Clausen, NP-CFamily Nurse Practitioner1801391750
  4. Kristine Demaio, MDVascular & Interventional Radiology Physician1508250515
  5. Wendy Dennis, DNPNurse Practitioner1194136119
  6. Aditi Gulabani, MDDiagnostic Radiology Physician1437458890

Verify Gretchen Marie Halker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license NP10140
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

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88% fewer Medicare Part D claims than the average family nurse practitioner in 2024

151 Medicare Part D claims for 63 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Gretchen Halker151
  2. Specialty average1,305

Most prescribed

  1. Gabapentin79 claims
  2. Meloxicam29 claims
  3. Methocarbamol28 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.3
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%81.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $120.10

4 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gretchen Halker$120.10
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Minimally Invasive Procedure Specialists PLLCHighlands Ranch, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

31 family nurse practitioner records list a practice address in Highlands Ranch

They are 31 of the 1,361 NPPES records with a practice address in Highlands Ranch, and 3,492 family nurse practitioner records in Colorado.

Other family nurse practitioner records in Colorado

  1. Abbey Aaroe, FNPCanon City, CO1922685189
  2. Simone Abachiche, NP-CColorado Springs, CO1801566518
  3. Christina AbbottLongmont, CO1962039172
  4. Patricia Abbott, ARNPAurora, CO1962452227
  5. Isadora Abel, FNPDenver, CO1275250391
  6. Sally Abell, DNPColorado Springs, CO1699356733
  7. Sarah AbercrombieGrand Junction, CO1093490567
  8. Jenny Abernathy, FNPErie, CO1407059355
  9. Gabriela Abeyta, APRN-CNP, FNP-CColorado Springs, CO1891506515
  10. Taylor Abner, APRN, FNPGolden, CO1407582240

Common questions

What is Gretchen Marie Halker, N.P.'s NPI number?

Gretchen Marie Halker, N.P.'s National Provider Identifier (NPI) is 1134454432, issued on Oct 5, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Marie Halker, N.P. located?

The NPPES record lists a practice address at 8671 S Quebec St Ste 200, Highlands Ranch, CO, 80130. Phone: (303) 805-7477. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Marie Halker, N.P.'s license?

NPPES lists Colorado license number NP10140, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Gretchen Marie Halker, N.P. prescribe under Medicare Part D?

In 2024, Gretchen Marie Halker, N.P. had 151 Medicare Part D claims for 63 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Gretchen Marie Halker, N.P.'s MIPS final score?

The 2023 MIPS final score is 77.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.