NPPES file of Aug 9, 2026

April Chamberlin, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Castle Rock, CO

April Chamberlin, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Castle Rock, Colorado, and NPI 1063926947, issued on Nov 30, 2017. Check the license (Colorado 0993571, 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
1063926947
Name
April Chamberlin
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
0993571 CO
Self-reported in NPPES; status is on the state search
Practice location
753 Maleta LN Ste 203, Castle Rock, CO 80108
Phone
(303) 993-6071
Enumerated
Nov 30, 2017
Record last updated
Sep 29, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(720) 667-2997
Medicare enrollment
Enrolled (PECOS I20180327001318); 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 753 Maleta LN Ste 203

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

  1. Adele Kelso, LCSWClinical Social Worker1790854347

Verify April Chamberlin 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 0993571
    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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15% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

1,039 Medicare Part D claims for 82 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. April Chamberlin1,039
  2. Specialty average906

Most prescribed

  1. Trazodone Hcl117 claims
  2. Escitalopram Oxalate61 claims
  3. Fluoxetine Hcl61 claims
  4. Clonazepam58 claims
  5. Lamotrigine54 claims
  6. Duloxetine Hcl44 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: $207.40

9 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. April Chamberlin$207.40
  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.

Bills Medicare through one group practice

  1. Clarity Mental Health, PLLCCastle Rock, CO

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

April Chamberlin among 1,336 psychiatric/mental health nurse practitioner records in Colorado

April Chamberlin, PMHNP-BC 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 2017, is newer than 31% of them.

  • NPI issued2017 · 31% of these records are older, 65% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2018 · median 2021 among the 730 with a school on file
  • Record last updated2018 · 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).

14 psychiatric/mental health nurse practitioner records list a practice address in Castle Rock

They are 14 of the 1,319 NPPES records with a practice address in Castle Rock, 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. Amber Gates, PMHNPCastle Rock, CO 801081710357462
  2. Marrisa Montano-White, PMHNPCastle Pines, CO 801081376404053
  3. Ndidi Onyema, PMHNPCastle Rock, CO 801081033986799
  4. Adria OwensCastle Rock, CO 801081144908914
  5. Ashlee Pulver, PMHNPCastle Rock, CO 801081811826738
  6. Erin Gray, PMHNPCastle Rock, CO 801091821939570
  7. Stacia McNeely, PMHNPElizabeth, CO 801071275412678
  8. Laura Merillat, APNCastle Rock, CO 801091225750722

Common questions

What is April Chamberlin, PMHNP-BC's NPI number?

April Chamberlin, PMHNP-BC's National Provider Identifier (NPI) is 1063926947, issued on Nov 30, 2017. An NPI identifies a provider in billing; it is not a license.

Where is April Chamberlin, PMHNP-BC located?

The NPPES record lists a practice address at 753 Maleta LN Ste 203, Castle Rock, CO, 80108. Phone: (303) 993-6071. Providers update this record themselves, so call before visiting.

How can I verify April Chamberlin, PMHNP-BC's license?

NPPES lists Colorado license number 0993571, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does April Chamberlin, PMHNP-BC prescribe under Medicare Part D?

In 2024, April Chamberlin, PMHNP-BC had 1,039 Medicare Part D claims for 82 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.