NPPES file of Aug 9, 2026

Donna Baldwin Colquhoun, A.P.R.N.

Family Nurse Practitioner · Madison, CT

Donna Baldwin Colquhoun, A.P.R.N. is a family nurse practitioner with a practice address in Madison, Connecticut, and NPI 1548457260, issued on Sep 26, 2007. Check the license (Connecticut 002366, as entered in NPPES) with the Connecticut board that licenses this profession; 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
1548457260
Name
Donna Baldwin Colquhoun
Credential
A.P.R.N.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
002366 CT
Self-reported in NPPES; status is on the state search
Practice location
1343 Boston Post RD Apt 101, Madison, CT 06443
Phone
(860) 669-6156
Enumerated
Sep 26, 2007
Record last updated
Feb 9, 2026
Fax
(860) 664-0285
Medicare enrollment
Enrolled (PECOS I20071108000039); 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 1343 Boston Post RD Apt 101

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

  1. Katherine Farnsworth, PA-CPhysician Assistant1902436678
  2. Izabela Horzempa, PA-CPhysician Assistant1295426781
  3. Jeremy Moss, M.D., PH.D.Dermatology Physician1689625188
  4. Noel Turner, MDDermatology Physician1386209237

Verify Donna Baldwin Colquhoun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 002366
    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
Find the Connecticut license search

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41% fewer Medicare Part D claims than the average family nurse practitioner in 2024

773 Medicare Part D claims for 375 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Donna Colquhoun773
  2. Specialty average1,305

Most prescribed

  1. Betamethasone Dipropionate106 claims
  2. Doxycycline Hyclate85 claims
  3. Ketoconazole81 claims
  4. Alclometasone Dipropionate61 claims
  5. Ciclopirox57 claims
  6. Mupirocin56 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): 97.5 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 score95.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $2,236.91

109 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Donna Colquhoun$2,236.91
  2. Specialty average$650.95

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. Integrated Dermatology OF Clinton LLCMadison, CT

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

20 family nurse practitioner records list a practice address in Madison

They are 20 of the 371 NPPES records with a practice address in Madison, and 2,669 family nurse practitioner records in Connecticut.

Other family nurse practitioner records in Connecticut

  1. Anna Liza Abastillas, APRNSouthington, CT1063572014
  2. Renato Abastillas, APRNRocky Hill, CT1568795821
  3. Farhiya AbdiSouth Windsor, CT1609382027
  4. Maryam Abdishoo, NPPutnam, CT1275143778
  5. Anwar Abdulrehman, APRNWaterbury, CT1194614255
  6. Adey Abebe, APRNDanbury, CT1558914648
  7. Talita Acciari, APRNNew Haven, CT1275469777
  8. Denise AceStratford, CT1003572033
  9. Kwame Acheampong, NPStratford, CT1659975969
  10. Tara Ackerly, FNPDanbury, CT1831331602

Common questions

What is Donna Baldwin Colquhoun, A.P.R.N.'s NPI number?

Donna Baldwin Colquhoun, A.P.R.N.'s National Provider Identifier (NPI) is 1548457260, issued on Sep 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Donna Baldwin Colquhoun, A.P.R.N. located?

The NPPES record lists a practice address at 1343 Boston Post RD Apt 101, Madison, CT, 06443. Phone: (860) 669-6156. Providers update this record themselves, so call before visiting.

How can I verify Donna Baldwin Colquhoun, A.P.R.N.'s license?

NPPES lists Connecticut license number 002366, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Donna Baldwin Colquhoun, A.P.R.N. prescribe under Medicare Part D?

In 2024, Donna Baldwin Colquhoun, A.P.R.N. had 773 Medicare Part D claims for 375 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Donna Baldwin Colquhoun, A.P.R.N.'s MIPS final score?

The 2023 MIPS final score is 97.5 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.