Eliza Esther Moskowitz Kassai, M.D.
Surgery Physician · Parker, CO
Eliza Esther Moskowitz Kassai, M.D. is a surgery physician with a practice address in Parker, Colorado, and NPI 1679993349, issued on Apr 22, 2014. Check the license (Colorado DR.0058504, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Eliza Esther Moskowitz Kassai
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- DR.0058504 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9399 Crown Crest Blvd Ste 220, Parker, CO 80138
- Phone
- (303) 805-1855
- Enumerated
- Apr 22, 2014
- Record last updated
- Dec 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (303) 805-4421
- Medicaid ID
- 9000143813 CO
- Medicare enrollment
- Enrolled (PECOS I20200818002437); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 608 in Colorado → Look up another NPI →
Also registered at 9399 Crown Crest Blvd Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wanda Good, D.O.Surgery Physician1417286386
- Jeffrey Harr, M.D., M.P.HSurgery Physician1487776993
- Zachary HaynesSurgical Physician Assistant1205411261
- Jason Knudtson, M.D.Surgery Physician1255317038
- Molly Morris, NPFamily Nurse Practitioner1336972447
- Rebekah Nelson, PASurgical Physician Assistant1588221014
Verify Eliza Esther Moskowitz Kassai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0058504Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average surgery physician in 2024
54 Medicare Part D claims for 31 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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): 54.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $316.23
4 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Chris B Winter MD PCParker, CO
- Colorado Surgical And Critical Care Associates PLLCParker, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eliza Esther Moskowitz Kassai among 608 surgery physician records in Colorado
Eliza Esther Moskowitz Kassai, M.D. is one of 608 surgery physician records with a practice address in Colorado. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2014 · median 2005 among the 370 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Colorado
There are 608 surgery physician records in Colorado.
All 608 in Colorado → Every provider in Parker → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Stephen Barnes, M.D.Parker, CO 801381447267018
- Michael Bertocchi, M.D.Parker, CO 801381972558518
- Tyler Chan, MDParker, CO 801381821384959
- Wanda Good, D.O.Parker, CO 801381417286386
- David Hardin, MDParker, CO 801381639174907
- Jeffrey Harr, M.D., M.P.HParker, CO 801381487776993
- John James, MDParker, CO 801381023233368
- Jason Knudtson, M.D.Parker, CO 801381255317038
Common questions
What is Eliza Esther Moskowitz Kassai, M.D.'s NPI number?
Eliza Esther Moskowitz Kassai, M.D.'s National Provider Identifier (NPI) is 1679993349, issued on Apr 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Eliza Esther Moskowitz Kassai, M.D. located?
The NPPES record lists a practice address at 9399 Crown Crest Blvd Ste 220, Parker, CO, 80138. Phone: (303) 805-1855. Providers update this record themselves, so call before visiting.
How can I verify Eliza Esther Moskowitz Kassai, M.D.'s license?
NPPES lists Colorado license number DR.0058504, 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 Eliza Esther Moskowitz Kassai, M.D. prescribe under Medicare Part D?
In 2024, Eliza Esther Moskowitz Kassai, M.D. had 54 Medicare Part D claims for 31 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Eliza Esther Moskowitz Kassai, M.D.'s MIPS final score?
The 2023 MIPS final score is 54.2 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.