NPPES file of Aug 9, 2026

Kristen Jackson, MD

Endocrinology, Diabetes & Metabolism Physician · Danbury, CT

Kristen Jackson, MD is an endocrinology, diabetes & metabolism physician with a practice address in Danbury, Connecticut, and NPI 1255727558, issued on Apr 13, 2015. Check the license (Connecticut 79731, as entered in NPPES) on the Connecticut Medical Examining 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
1255727558
Name
Kristen Jackson
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
79731 CT
S5935 TX
Self-reported in NPPES; status is on the state search
Practice location
25 Germantown RD, Danbury, CT 06810
Phone
(203) 794-5620
Enumerated
Apr 13, 2015
Record last updated
Dec 2, 2024
Medicare enrollment
Enrolled (PECOS I20250128002569); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
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 25 Germantown RD

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

  1. Adey Abebe, APRNFamily Nurse Practitioner1558914648
  2. Umar Ahmad, D.O.Endocrinology, Diabetes & Metabolism Physician1336589746
  3. Teresa Cichosz, AGNP-C, CDCESAdult Health Nurse Practitioner1245727437
  4. Marie Elena Cordisco, APRNFamily Nurse Practitioner1265617310
  5. Lawrence Fisher, M.D.Specialist1265427751
  6. Amanda FuscoNurse Practitioner1689025306

Verify Kristen Jackson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 79731
    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 Connecticut 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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25% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,977 Medicare Part D claims for 264 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.

  1. Kristen Jackson1,977
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium272 claims
  2. Nano 2nd Gen Pen Needle102 claims
  3. Metformin Hcl101 claims
  4. Tresiba Flextouch U-20097 claims
  5. Mounjaro86 claims
  6. Metformin Hcl Er72 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.

Industry payments in 2024: $1,304.87

70 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kristen Jackson$1,304.87
  2. Specialty average$5,742.15

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. Nuvance Health Medical Practice CT IncDanbury, CT

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

Kristen Jackson among 214 endocrinology, diabetes & metabolism physician records in Connecticut

Kristen Jackson, MD is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 80% of them.

  • NPI issued2015 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2015 · median 2004 among the 145 with a school on file
  • Record last updated2024 · 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 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Connecticut

There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Umar Ahmad, D.O.Danbury, CT 068101336589746
  2. Marcos Lamas, M.D.Danbury, CT 068101154618700
  3. Karen McCloskey, M.D.Danbury, CT 068101972982205
  4. Lydia McGuigan, D.O.Danbury, CT 068101326334517
  5. Natalie Mora, MDDanbury, CT 068101841606498
  6. Rea Nagy, M.D.Danbury, CT 068101962820662
  7. Herbert Prawius, M.D.Danbury, CT 068101740221571
  8. Robert Savino, M.D.Danbury, CT 068101700807245

Common questions

What is Kristen Jackson, MD's NPI number?

Kristen Jackson, MD's National Provider Identifier (NPI) is 1255727558, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Jackson, MD located?

The NPPES record lists a practice address at 25 Germantown RD, Danbury, CT, 06810. Phone: (203) 794-5620. Providers update this record themselves, so call before visiting.

How can I verify Kristen Jackson, MD's license?

NPPES lists Connecticut license number 79731, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kristen Jackson, MD prescribe under Medicare Part D?

In 2024, Kristen Jackson, MD had 1,977 Medicare Part D claims for 264 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.