NPPES file of Aug 9, 2026

Gilda Mark, APRN

Psychiatric/Mental Health Nurse Practitioner · Fort Collins, CO

Gilda Mark, APRN is a psychiatric/mental health nurse practitioner with a practice address in Fort Collins, Colorado, and NPI 1700124617, issued on Jan 28, 2013. Check the license (Colorado APN.0996360-NP, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700124617
Name
Gilda Mark
Credential
APRN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
APN.0996360-NP CO
RN.0174417 CO
Self-reported in NPPES; status is on the state search
Practice location
4856 Innovation Dr, Fort Collins, CO 80525
Phone
(970) 494-4200
Enumerated
Jan 28, 2013
Record last updated
Jul 24, 2024
Fax
(970) 613-4475
Medicare enrollment
Enrolled (PECOS I20251209001677); accepts Medicare assignment
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 4856 Innovation Dr

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

  1. Clifford Abeyta, CAS, MSWAddiction (Substance Use Disorder) Counselor1669489779
  2. Elizabeth AckelsonDriver1992503965
  3. Koki Adachi, BACase Manager/Care Coordinator1003168519
  4. Fernanda Alarcon-AvilaCase Manager/Care Coordinator1306551734
  5. Benjamin AlfordCounselor1265144273
  6. Jaymi AllenBehavior Technician1093409278

Verify Gilda Mark 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 APN.0996360-NP
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.6 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024

2,380 Medicare Part D claims for 124 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Gilda Mark2,380
  2. Specialty average906

Most prescribed

  1. Sertraline Hcl135 claims
  2. Olanzapine127 claims
  3. Lamotrigine123 claims
  4. Risperidone107 claims
  5. Trazodone Hcl98 claims
  6. Quetiapine Fumarate91 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.

Industry payments in 2024: $2,029.63

67 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gilda Mark$2,029.63
  2. Specialty average$1,027.77

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

Gilda Mark among 1,336 psychiatric/mental health nurse practitioner records in Colorado

Gilda Mark, APRN is one of 1,336 psychiatric/mental health nurse practitioner records with a practice address in Colorado. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 19% of them.

  • NPI issued2013 · 19% of these records are older, 79% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2012 · median 2021 among the 730 with a school on file
  • Record last updated2024 · 18% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

79 psychiatric/mental health nurse practitioner records list a practice address in Fort Collins

They are 79 of the 6,928 NPPES records with a practice address in Fort Collins, and 1,336 psychiatric/mental health nurse practitioner records in Colorado.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Lena Belleau, FNP PMHNPFort Collins, CO 805251295273738
  2. Jill BoatwrightFort Collins, CO 805251952940439
  3. Angela Callaway, PMHNP, FNPFort Collins, CO 805251811364516
  4. Rosa Cruz Kauffman, MSN, PMHNP-BCFort Collins, CO 805251457715831
  5. Jennifer Deraad, APRNFort Collins, CO 805251063793289
  6. Michelle Miranda, PMHNPFort Collins, CO 805251881093607
  7. Dawn O'Keefe, RN MS MPA PMHNP-BCFort Collins, CO 805251477022135
  8. Tenley Roeder, NPFort Collins, CO 805251184853715

Common questions

What is Gilda Mark, APRN's NPI number?

Gilda Mark, APRN's National Provider Identifier (NPI) is 1700124617, issued on Jan 28, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Gilda Mark, APRN located?

The NPPES record lists a practice address at 4856 Innovation Dr, Fort Collins, CO, 80525. Phone: (970) 494-4200. Providers update this record themselves, so call before visiting.

How can I verify Gilda Mark, APRN's license?

NPPES lists Colorado license number APN.0996360-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Gilda Mark, APRN prescribe under Medicare Part D?

In 2024, Gilda Mark, APRN had 2,380 Medicare Part D claims for 124 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

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.