NPPES file of Aug 9, 2026

Kasey Jo Mayclin, M.D.

Obstetrics & Gynecology Physician · Denver, CO

Kasey Jo Mayclin, M.D. is an obstetrics & gynecology physician with a practice address in Denver, Colorado, and NPI 1558595835, issued on May 14, 2009. Check the license (Colorado DR.0066524, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558595835
Name
Kasey Jo Mayclin
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
DR.0066524 CO
26308 NE
Self-reported in NPPES; status is on the state search
Practice location
4567 E 9TH Ave, Denver, CO 80220
Phone
(303) 320-2455
Enumerated
May 14, 2009
Record last updated
Oct 2, 2025
Fax
(303) 320-7189
Medicare enrollment
Enrolled (PECOS I20190125002816); accepts Medicare assignment
Medical or professional school
Sanford School Of Medicine Of University Of South Dakota, 2009
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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8 nearest obstetrics & gynecology physician records → All 906 in Colorado → Look up another NPI →

Also registered at 4567 E 9TH Ave

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

  1. Mitchell Adler, MDObstetrics & Gynecology Physician1649276916
  2. Adam BarkinEmergency Medicine Physician1639169113
  3. Dominique Beaufils-Brehm, PTPhysical Therapist1487642344
  4. Donna Bohannan, PTPhysical Therapist1215918982
  5. Kayleigh Boveri, LCSWClinical Social Worker1235905522
  6. Donnell Bradford, MDObstetrics & Gynecology Physician1770522054

Verify Kasey Jo Mayclin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0066524    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
Open 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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Bills Medicare through one group practice

  1. Catholic Health Initiatives ColoradoColorado Springs, CO

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

Kasey Jo Mayclin among 906 obstetrics & gynecology physician records in Colorado

Kasey Jo Mayclin, M.D. is one of 906 obstetrics & gynecology physician records with a practice address in Colorado. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.

  • NPI issued2009 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2009 · median 2008 among the 504 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Colorado

There are 906 obstetrics & gynecology physician records in Colorado.

All 906 in Colorado → Every provider in Denver → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Mitchell Adler, MDDenver, CO 802201649276916
  2. Samuel Alexander, MDDenver, CO 802201902807308
  3. Donnell Bradford, MDDenver, CO 802201770522054
  4. Tibor Engel, MDDenver, CO 802201427046309
  5. Kristina Fraser, MDDenver, CO 802201952399065
  6. Allison Herman, M.D.Denver, CO 802201699739854
  7. Jessica Johnson, M.D.Denver, CO 802201104865732
  8. Elizabeth McCrann, M.D.Denver, CO 802201871549352

Common questions

What is Kasey Jo Mayclin, M.D.'s NPI number?

Kasey Jo Mayclin, M.D.'s National Provider Identifier (NPI) is 1558595835, issued on May 14, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Kasey Jo Mayclin, M.D. located?

The NPPES record lists a practice address at 4567 E 9TH Ave, Denver, CO, 80220. Phone: (303) 320-2455. Providers update this record themselves, so call before visiting.

How can I verify Kasey Jo Mayclin, M.D.'s license?

NPPES lists Colorado license number DR.0066524, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.