Dr. Diane C. Haddock, MD

  • Burlington, VT
  • Internist
NPI1013991553PAC ID1850399320
Medicare services, 2024
218
Medicare patients, 2024
100
Part D claims, 2024
1,894
Hospital affiliations
1
Industry payments
$16
Practice address
111 Colchester Ave, Burlington, VT 05401
Practice phone
Call (802) 847-0000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Vermont Medical Center

Hospital · Burlington, Vermont

See all 4 affiliations

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Dr. Diane C. Haddock is an internist in Burlington, Vermont

Dr. Haddock practices at University of Vermont Medical Center in Burlington, Vermont, part of University of Vermont Health Network.

Dr. Haddock's NPI, 1013991553, was assigned on November 29, 2005. Dr. Haddock graduated from The Robert Larner, M.D. College of Medicine in 2003. Dr. Haddock holds California license A88647.

NPI and contact details
Medicare PAC ID
1850399320
NPI enumeration date
November 29, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(802) 847-0000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Diane C. Haddock practices at University of Vermont Medical Center in Burlington, Vermont

Dr. Haddock's primary practice is University of Vermont Medical Center, at 111 Colchester Ave, Burlington, VT 05401 in Chittenden County. The practice phone is (802) 847-0000.

Source: Dmand AI Affiliation Data

Dr. Diane C. Haddock is affiliated with 3 sites of care and 1 medical group

Dr. Haddock's primary practice is University of Vermont Medical Center in Burlington, Vermont, part of University of Vermont Health Network. The medical group on file is University of Vermont Medical Center. Dmand AI also links Dr. Haddock to 1 more dialysis center and 1 home health agency, each named with a free account.

See all 4 affiliations for Dr. Haddock

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Diane C. Haddock's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haddock practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University of Vermont Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Diane C. Haddock is one of 311 internists in Vermont

Internal medicine is Dr. Haddock's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Haddock is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Haddock's licenses on file in 2 states: California and Vermont.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A88647 · 2004 to 2026 · taxonomy 207R00000X
  • Vermont license2006 to 2026

Clinical focus

Dmand AI lists acid reflux, acute sinusitis, adjustment disease, alzheimer's disease, anxiety, chronic diabetes, chronic hypertension and chronic kidney disease among the conditions Dr. Haddock treats.

Internists near Dr. Haddock

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Diane C. Haddock billed Medicare for 218 services in 2024

CMS data shows 218 Medicare services from Dr. Haddock across 4 procedure codes in 2024, for 100 Medicare patients. Medicare paid $17,004 for them. Every service was in an office.

Medicare services, 2024218
Medicare patients100
Paid by Medicare$17,004
Procedure codes4

Dr. Haddock's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1872024: 1756%
Other services
2023: 362024: 4319%

Dr. Haddock compared with the Vermont median for internists, 2024

  • Dr. Haddock
  • Vermont median
Medicare services
218vs 30428% below
Medicare patients
100vs 19649% below
Part D claims
1,428vs 9015.9 times

Medians across 322 internists in Vermont with Dmand AI profiles that report each measure.

Dr. Haddock's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Haddock

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Diane C. Haddock treated 100 Medicare patients in 2024, average age 73

CMS counts 100 Medicare patients who saw Dr. Haddock in 2024. The largest group is 65 to 74, with 44 patients. 71% of them have high cholesterol, and 69% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Haddock's median patient age at 65, with 65% women.

Medicare patients, 2024100
Average age73
Average risk score1.02
Also on Medicaid16%

Dr. Haddock's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Haddock's Medicare patients by sex, 2024

  • Women6262%
  • Men3838%

Chronic conditions among Dr. Haddock's Medicare patients, 2024

  1. High cholesterol71%
  2. High blood pressure69%
  3. Arthritis37%
  4. Mood disorders26%
  5. Anxiety23%
  6. Depression22%
  7. Diabetes21%
  8. Chronic kidney disease18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Haddock's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women65%
  • Men35%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Diane C. Haddock wrote 1,894 Medicare Part D claims in 2024

In 2024, Dr. Haddock wrote 1,894 Medicare Part D claims for 219 patients. 87% of them were for generic drugs. CMS names the drug for 1,428 of them, across 38 drugs with 11 or more claims each, at $126,515 in total drug cost. In 2023, CMS named 1,437 claims across 46 drugs.

Part D claims, 20241,894
Drugs named by CMS38
Total drug cost$126,515
Part D patients219

Dr. Haddock's Part D claims by kind of drug, 2024

  • Generic1,652 claims87%
  • Brand-name230 claims12%
  • Other12 claims1%

Dr. Haddock's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Haddock's Part D claims, 2024

  • Opioids3%60 of 1,894 claims
  • Antibiotics1%26 of 1,894 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,4372024: 1,4281%

Drugs named by CMS: 38 in 2024, 46 in 2023.

See all prescribing by Dr. Haddock

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Diane C. Haddock offers telehealth to Medicare patients

Dr. Haddock accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Haddock as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Diane C. Haddock received $16 in industry payments in 2022

CMS Open Payments shows 1 general payment to Dr. Haddock from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $16.

Companies that paid Dr. Haddock the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Haddock

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Diane C. Haddock graduated from The Robert Larner, M.D. College of Medicine

Dr. Haddock graduated from The Robert Larner, M.D. College of Medicine in 2003.

  1. Medical schoolThe Robert Larner, M.D. College of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Diane C. Haddock accepts plans from 10 insurance carriers

Dr. Haddock is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

Plan types Dr. Haddock accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. HMO3
  4. Medicaid2
  5. POS2
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Diane C. Haddock's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Diane C. Haddock

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Diane C. Haddock's NPI number?

Dr. Diane C. Haddock's NPI number is 1013991553. It was assigned on November 29, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Diane C. Haddock?

Dr. Diane C. Haddock is an internist in Burlington, Vermont. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Diane C. Haddock practice?

Dr. Haddock practices at 111 Colchester Ave, Burlington, VT 05401. Dr. Haddock's primary practice is University of Vermont Medical Center in Burlington, Vermont, part of University of Vermont Health Network. Dmand AI also links Dr. Haddock to 1 dialysis center and 1 home health agency.

What is Dr. Diane C. Haddock's office phone number?

The practice phone on file for Dr. Haddock is (802) 847-0000.

What is Dr. Diane C. Haddock's medical license number?

Dr. Haddock holds California license A88647, one of the licenses on file in 2 states.

Which states has Dr. Diane C. Haddock been licensed in?

Dmand AI has state licenses on file for Dr. Haddock in California (2004 to 2026) and Vermont (2006 to 2026).

Which hospitals is Dr. Diane C. Haddock affiliated with?

Dr. Haddock practices at University of Vermont Medical Center in Burlington, Vermont.

What medical group is Dr. Diane C. Haddock part of?

Dr. Haddock is linked to University of Vermont Medical Center.

Does Dr. Diane C. Haddock accept Medicare?

Yes. CMS data shows Dr. Haddock billed Medicare for 218 services in 2024, and Dr. Haddock accepts Medicare assignment.

Does Dr. Diane C. Haddock offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Haddock as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Diane C. Haddock see?

CMS counts 100 Medicare patients who saw Dr. Haddock in 2024, with an average age of 73.

Is Dr. Diane C. Haddock board certified?

Yes. Dr. Haddock is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Diane C. Haddock bill to Medicare?

In 2024, Dr. Haddock's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99215).

Where did Dr. Diane C. Haddock go to medical school?

Dr. Haddock graduated from The Robert Larner, M.D. College of Medicine in 2003.

What drugs does Dr. Diane C. Haddock prescribe most?

In 2024 Medicare Part D data, Dr. Haddock's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Losartan Potassium.

Has Dr. Diane C. Haddock received payments from drug or device companies?

CMS Open Payments shows $16 in general payments to Dr. Haddock from 1 company from 2022 to 2022. The largest total came from Bayer HealthCare Pharmaceuticals Inc.

How long has Dr. Diane C. Haddock been practicing?

Dr. Haddock graduated from medical school in 2003, 23 years ago.

What insurance does Dr. Diane C. Haddock accept?

Dr. Haddock is in network with 10 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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