NPPES file of Aug 9, 2026

Melissa Zart, M.D.

Obstetrics & Gynecology Physician · Castle Rock, CO

Melissa Zart, M.D. is an obstetrics & gynecology physician with a practice address in Castle Rock, Colorado, and NPI 1235142415, issued on Aug 15, 2006. Check the license (Colorado DR42416, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235142415
Name
Melissa Zart
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
DR42416 CO
Self-reported in NPPES; status is on the state search
Practice location
2352 Meadows Blvd, Castle Rock, CO 80109
Phone
(303) 795-3110
Enumerated
Aug 15, 2006
Record last updated
Apr 26, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(303) 795-6992
Medicaid ID
57077266 CO
Medicare enrollment
Enrolled (PECOS I20040518000003); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2000
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 2352 Meadows Blvd

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

  1. David Archibald, MDFacial Plastic Surgery Physician1104041326
  2. Amanda Bolton, ARNPFamily Nurse Practitioner1679983407
  3. Maggie Brown, DPTPhysical Therapist1356866735
  4. Denise Dowling, RNRegistered Nurse1326620360
  5. Michelle Eason-Delhougne, MDInternal Medicine Physician1407969595
  6. Sarah Grope, M.D.Pediatrics Physician1083668438

Verify Melissa Zart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR42416
    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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32% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

113 Medicare Part D claims for 33 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Melissa Zart113
  2. Specialty average165

Most prescribed

  1. Estradiol29 claims
  2. Estradiol (Once Weekly)19 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: $28.90

2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Melissa Zart$28.90
  2. Specialty average$1,030.61

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. 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).

Melissa Zart among 906 obstetrics & gynecology physician records in Colorado

Melissa Zart, 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 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
  • Graduated2000 · median 2008 among the 504 with a school on file
  • Record last updated2014 · 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. Kenneth Kaplan, MDCastle Rock, CO 801091356412399
  7. Diane Light, MDCastle Rock, CO 801091346879814
  8. Kassandra McMillen, M.D,Castle Rock, CO 801091659746477

Common questions

What is Melissa Zart, M.D.'s NPI number?

Melissa Zart, M.D.'s National Provider Identifier (NPI) is 1235142415, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Zart, M.D. located?

The NPPES record lists a practice address at 2352 Meadows Blvd, Castle Rock, CO, 80109. Phone: (303) 795-3110. Providers update this record themselves, so call before visiting.

How can I verify Melissa Zart, M.D.'s license?

NPPES lists Colorado license number DR42416, 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 Melissa Zart, M.D. prescribe under Medicare Part D?

In 2024, Melissa Zart, M.D. had 113 Medicare Part D claims for 33 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Melissa Zart, M.D.'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.