NPPES file of Aug 9, 2026

Kenneth Kaplan, MD

Obstetrics & Gynecology Physician · Castle Rock, CO

Kenneth Kaplan, MD is an obstetrics & gynecology physician with a practice address in Castle Rock, Colorado, and NPI 1356412399, issued on Nov 13, 2006. Check the license (Colorado CDRH.0064882, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356412399
Name
Kenneth Kaplan
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
CDRH.0064882 CO
A81943 CA
Self-reported in NPPES; status is on the state search
Practice location
2356 Meadows Blvd # 310B, Castle Rock, CO 80109
Phone
(720) 330-1460
Enumerated
Nov 13, 2006
Record last updated
Sep 19, 2025
Fax
(720) 703-9028
Medicare enrollment
Enrolled (PECOS I20210121001403); 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.
Download card Updates feed

Verify Kenneth Kaplan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license CDRH.0064882
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

27% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

120 Medicare Part D claims for 45 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Kenneth Kaplan120
  2. Specialty average165

Most prescribed

  1. Estradiol34 claims
  2. Triamcinolone Acetonide25 claims
  3. Progesterone16 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.

Bills Medicare through one group practice

  1. Portercare Adventist Health SystemCastle Rock, CO

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

Kenneth Kaplan among 906 obstetrics & gynecology physician records in Colorado

Kenneth Kaplan, MD 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 57% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1995 · 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).

14 obstetrics & gynecology physician 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 906 obstetrics & gynecology physician records in Colorado.

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

  1. Lynn Barta, M.D.Castle Rock, CO 801091851330492
  2. Melanie Carter, M.D.Castle Rock, CO 801091184086472
  3. Caroline Cinquegrani, MDCastle Rock, CO 801091649353251
  4. Kimberly Hildner-Murphy, M.D.Castle Rock, CO 801091033505953
  5. Anna Jones, M.D.Castle Rock, CO 801091295982130
  6. Diane Light, MDCastle Rock, CO 801091346879814
  7. Kassandra McMillen, M.D,Castle Rock, CO 801091659746477
  8. Kristen Scogin, MDCastle Rock, CO 801091417210477

Common questions

What is Kenneth Kaplan, MD's NPI number?

Kenneth Kaplan, MD's National Provider Identifier (NPI) is 1356412399, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Kaplan, MD located?

The NPPES record lists a practice address at 2356 Meadows Blvd # 310B, Castle Rock, CO, 80109. Phone: (720) 330-1460. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Kaplan, MD's license?

NPPES lists Colorado license number CDRH.0064882, 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.

How much does Kenneth Kaplan, MD prescribe under Medicare Part D?

In 2024, Kenneth Kaplan, MD had 120 Medicare Part D claims for 45 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.