JEFFREY ERIK HADDOCK M.D,
NPI 1861418782
Family Medicine in Williston, VT

Q: What is Jeffrey Haddock's NPI number?

The NPI number for Jeffrey Haddock is 1861418782. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Q: What is Jeffrey Haddock's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Haddock was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 14, 2006PECOS Enrolled

586 OAK HILL RD, WILLISTON, VT 05495(802) 878-8131(802) 879-6853 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Jeffrey Erik Haddock M.d, NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY ERIK HADDOCK M.D, (NPI 1861418782) is an individual family medicine provider in Williston, Vermont, licensed in Vermont (0420011189) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861418782

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameJEFFREY ERIK HADDOCKCredential: M.D,

Location Address586 OAK HILL RDWilliston, VT 05495-7103

Mailing Address69 Sawmill RdJericho, VT 05465-3143 · (802) 899-2384

Phone(802) 878-8131

Fax(802) 879-6853

Sole ProprietorNo

Enumeration DateJuly 14, 2006

Last NPPES UpdateMarch 7, 2023

✔ NPI 1861418782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in VT · 0420011189

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

586 OAK HILL RD, Williston, VT 05495

Open in Google Maps ↗

Other Identifiers 1

OtherA88830CA · Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jeffrey Erik Haddock M.d, is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jeffrey Haddock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Thomas Chittenden Health Center, Plc

Same address

Family Medicine

586 OAK HILL ROAD
Williston, VT 05495

Reassigned Medicare billing, Vermont enrollment
16 clinicians in this Medicare group

NPI 1811099229 (802) 878-8131

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

292 services207 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

213 services165 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

107 services92 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

88 services68 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

67 services67 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

51 services47 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

44 services43 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

15 services15 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

14 services14 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

14 services14 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

13 services13 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 05495 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.89 typical visit price

range $55.80 – $168.48

Typical copayment $21.47 (range $13.95 – $42.12)

Most-billed visit code 99203

Established Patient

$98.40 typical visit price

range $18.08 – $137.84

Typical copayment $24.60 (range $4.52 – $34.46)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 12

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

12 suppliers38 claims95 services$4.22 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers13 claims15 services$0.53 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

3 suppliers16 claims16 services$40.03 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

3 suppliers18 claims18 services$87.95 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

2 suppliers18 claims49 services$33.99 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

4 suppliers13 claims13 services$15.53 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADRIANE CROSS TROUT M.D.

Family Medicine

586 OAK HILL RD
WILLISTON, VT 05495

Chittenden County (802) 878-8131

KATHARINE ANN STONES DNP, FNP-C

Nurse Practitioner (Family)

586 OAK HILL RD
WILLISTON, VT 05495

Chittenden County (802) 878-8131

ANASTASIYA LULIC FNP

Nurse Practitioner (Family)

586 OAK HILL RD
WILLISTON, VT 05495

Chittenden County (802) 878-8131

PAMELA JANE DAWSON MD

Family Medicine

586 OAK HILL RD
WILLISTON, VT 05495

Chittenden County (802) 878-8131

MS. JENA S KATZMAN APRN, FNP

Nurse Practitioner (Family)

586 OAK HILL RD
WILLISTON, VT 05495

Chittenden County (802) 878-8131

DR. DAVID NICHOLAS SIMCOE D.O.

Family Medicine

586 OAK HILL RD
WILLISTON, VT 05495

Chittenden County (802) 878-8131

SUSAN HANNAH RABIN MD

Family Medicine

586 OAK HILL RD, THOMAS CHITTENDEN HEALTH CTR
WILLISTON, VT 05495

Chittenden County (802) 878-8131

SHANNON BURNS PA-C, ATC

Physician Assistant

586 OAK HILL RD
WILLISTON, VT 05495

Chittenden County (802) 878-8131

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Haddock's NPI number?

The NPI number for Jeffrey Haddock is 1861418782. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Jeffrey Haddock located?

Jeffrey Haddock practices at 586 Oak Hill Rd, Williston, VT 05495. The listed phone number is (802) 878-8131.

What is Jeffrey Haddock's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jeffrey Haddock enrolled in Medicare?

Yes. Jeffrey Haddock is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jeffrey Haddock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Haddock reassigns Medicare benefits to Thomas Chittenden Health Center, Plc (Williston, VT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeffrey Haddock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey Haddock was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.