Jeffrey Erik Haddock, M.D,
Family Medicine Physician · Williston, VT
Jeffrey Erik Haddock, M.D, is a family medicine physician with a practice address in Williston, Vermont, and NPI 1861418782, issued on Jul 14, 2006. Check the license (Vermont 0420011189, as entered in NPPES) on the Vermont Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Erik Haddock
- Credential
- M.D,
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0420011189 VT
Self-reported in NPPES; status is on the state search - Practice location
- 586 Oak Hill RD, Williston, VT 05495
- Phone
- (802) 878-8131
- Enumerated
- Jul 14, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (802) 879-6853
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 443 in Vermont → Look up another NPI →
Also registered at 586 Oak Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Abernathey, LICSWClinical Social Worker1639339617
- Mei-Lani BixbyFamily Nurse Practitioner1457692691
- Shannon Burns, PA-C, ATCPhysician Assistant1366853525
- Pamela Dawson, MDFamily Medicine Physician1174631915
- Mary Dill, MDFamily Medicine Physician1700971728
- Harley Donnelly, MDFamily Medicine Physician1417967787
Verify Jeffrey Erik Haddock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVermont Board of Medical Practice
Search for license 0420011189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average family medicine physician in 2024
5,187 Medicare Part D claims for 528 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 15 claims were for opioids.
Most prescribed
- Omeprazole301 claims
- Lisinopril268 claims
- Atorvastatin Calcium242 claims
- Prednisone154 claims
- Tamsulosin Hcl152 claims
- Simvastatin130 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.
Jeffrey Erik Haddock among 443 family medicine physician records in Vermont
Jeffrey Erik Haddock, M.D, is one of 443 family medicine physician records with a practice address in Vermont. 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 43% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Vermont practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 family medicine physician records list a practice address in Williston
They are 20 of the 429 NPPES records with a practice address in Williston, and 443 family medicine physician records in Vermont.
All 443 in Vermont → Every provider in Williston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Pamela Dawson, MDWilliston, VT 054951174631915
- Mary Dill, MDWilliston, VT 054951700971728
- Harley Donnelly, MDWilliston, VT 054951417967787
- James Dougherty, M.D.Williston, VT 054951629188750
- Jan Ferris, D.O.Williston, VT 054951588774608
- Michael Johnson, M.D.Williston, VT 054951336158252
- Stephen Mann, MDWilliston, VT 054951225146954
- Susan Rabin, MDWilliston, VT 054951285644450
Common questions
What is Jeffrey Erik Haddock, M.D,'s NPI number?
Jeffrey Erik Haddock, M.D,'s National Provider Identifier (NPI) is 1861418782, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Erik Haddock, M.D, located?
The NPPES record lists a practice address at 586 Oak Hill RD, Williston, VT, 05495. Phone: (802) 878-8131. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Erik Haddock, M.D,'s license?
NPPES lists Vermont license number 0420011189, as entered by the provider. Search the Vermont Board of Medical Practice at https://www.healthvermont.gov/systems/board-medical-practice. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey Erik Haddock, M.D, prescribe under Medicare Part D?
In 2024, Jeffrey Erik Haddock, M.D, had 5,187 Medicare Part D claims for 528 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.