NPPES file of Aug 9, 2026

Jean E. Dwinnell, MD

Obstetrics & Gynecology Physician · Denver, CO

Jean E. Dwinnell, MD is an obstetrics & gynecology physician with a practice address in Denver, Colorado, and NPI 1659444834, issued on Nov 16, 2006. Check the license (Colorado 32720, 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
1659444834
Name
Jean E. Dwinnell
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
32720 CO
Self-reported in NPPES; status is on the state search
Practice location
4500 E 9TH Ave, Denver, CO 80220
Phone
(720) 848-0000
Enumerated
Nov 16, 2006
Record last updated
May 6, 2025
Medicare enrollment
Enrolled (PECOS I20100625000365); 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.
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Also registered at 4500 E 9TH Ave

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

  1. Kara Alexandrovic, M.DObstetrics & Gynecology Physician1679715361
  2. Miguel Alvarado, PA-CMedical Physician Assistant1689891475
  3. Donald Aptekar, M.D.Obstetrics & Gynecology Physician1023103868
  4. Peter Berndt, M.D.Psychiatry Physician1215945423
  5. John Bershof, M.D.Specialist1316029937
  6. Lesley Bevan, MDObstetrics & Gynecology Physician1154513307

Verify Jean E. Dwinnell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 32720
    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

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48% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

85 Medicare Part D claims for 32 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Jean Dwinnell85
  2. Specialty average165

Most prescribed

  1. Estradiol33 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score86.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $409.47

18 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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. Jean Dwinnell$409.47
  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. Obstetrix Medical Group OF Colorado P CDenver, CO

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

Jean E. Dwinnell among 906 obstetrics & gynecology physician records in Colorado

Jean E. Dwinnell, 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
  • Graduated1991 · 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.

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 Jean E. Dwinnell, MD's NPI number?

Jean E. Dwinnell, MD's National Provider Identifier (NPI) is 1659444834, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jean E. Dwinnell, MD located?

The NPPES record lists a practice address at 4500 E 9TH Ave, Denver, CO, 80220. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.

How can I verify Jean E. Dwinnell, MD's license?

NPPES lists Colorado license number 32720, 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 Jean E. Dwinnell, MD prescribe under Medicare Part D?

In 2024, Jean E. Dwinnell, MD had 85 Medicare Part D claims for 32 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Jean E. Dwinnell, MD's MIPS final score?

The 2023 MIPS final score is 97.6 of 100. 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.