Dr. Ernest James Hanowell, DO

  • Plymouth, NH
  • General surgeon
NPI1023299666PAC ID7113177833
Medicare services, 2024
107
Medicare patients, 2024
102
Part D claims, 2024
64
Hospital affiliations
1
Industry payments
$2,025
Practice address
16 Hospital Road, Plymouth, NH 03264
Practice phone
Call (603) 536-1120
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Speare Memorial Hospital

Hospital · Plymouth, New Hampshire

See all 3 affiliations

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Dr. Ernest James Hanowell is a general surgeon in Plymouth, New Hampshire

Dr. Hanowell practices at Speare Memorial Hospital in Plymouth, New Hampshire, part of Speare Memorial Hospital.

Dr. Hanowell's NPI, 1023299666, was assigned on November 26, 2007. Dr. Hanowell graduated from University of New England, College of Osteo Medicine in 2003. Dr. Hanowell holds New Hampshire license 15793.

NPI and contact details
Medicare PAC ID
7113177833
NPI enumeration date
November 26, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(603) 536-1120
Professional email
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Personal email
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Mobile number
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Sex
Male
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. Ernest James Hanowell practices at Speare Memorial Hospital in Plymouth, New Hampshire

Dr. Hanowell's primary practice is Speare Memorial Hospital, at 16 Hospital Road, Plymouth, NH 03264 in Grafton County. The practice phone is (603) 536-1120.

Source: Dmand AI Affiliation Data

Dr. Ernest James Hanowell is affiliated with 2 sites of care and 1 medical group

Dr. Hanowell's primary practice is Speare Memorial Hospital in Plymouth, New Hampshire, part of Speare Memorial Hospital. The medical group on file is Speare Memorial Hospital. Dmand AI also links Dr. Hanowell to 1 more therapy and rehab clinic, named with a free account. Dr. Hanowell's employer is on file too: a hospital.

See all 3 affiliations for Dr. Hanowell

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

Dmand AI tracks the EHR system at Dr. Ernest James Hanowell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hanowell practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Speare Memorial HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ernest James Hanowell is one of 157 general surgeons in New Hampshire

Surgery is Dr. Hanowell's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hanowell is licensed in New Hampshire.

Specialties and state licenses

  • Surgery, New HampshirePrimaryLicense 15793 · taxonomy 208600000X

General surgeons near Dr. Hanowell

Counts of general surgeons 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. Ernest James Hanowell billed Medicare for 107 services in 2024

CMS data shows 107 Medicare services from Dr. Hanowell across 6 procedure codes in 2024, for 102 Medicare patients. Medicare paid $5,612 for them.

Medicare services, 2024107
Medicare patients102
Paid by Medicare$5,612
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 932024: 10715%

Where Dr. Hanowell's Medicare services took place, 2024

  • In an office9387%
  • In a facility1413%

Dr. Hanowell compared with the New Hampshire median for general surgeons, 2024

  • Dr. Hanowell
  • New Hampshire median
Medicare services
107vs 12615% below
Medicare patients
102vs 12418% below
Part D claims
53vs 2889% above

Medians across 154 general surgeons in New Hampshire with Dmand AI profiles that report each measure.

Dr. Hanowell'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. Hanowell

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

Dr. Ernest James Hanowell treated 102 Medicare patients in 2024, average age 74

CMS counts 102 Medicare patients who saw Dr. Hanowell in 2024. The largest group is 65 to 74, with 47 patients. 64% of them have high blood pressure, and 61% have high cholesterol. Their average risk score is 0.80, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hanowell's median patient age at 62, with 48% women.

Medicare patients, 2024102
Average age74
Average risk score0.80

Dr. Hanowell's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Hanowell's Medicare patients by sex, 2024

  • Women4948%
  • Men5352%

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

  1. High blood pressure64%
  2. High cholesterol61%
  3. Arthritis39%
  4. Diabetes29%
  5. Tobacco use29%
  6. Mood disorders23%
  7. Anxiety20%
  8. Chronic kidney disease20%

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

Dr. Hanowell's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Dr. Ernest James Hanowell wrote 64 Medicare Part D claims in 2024

In 2024, Dr. Hanowell wrote 64 Medicare Part D claims for 28 patients. 100% of them were for generic drugs. CMS names the drug for 53 of them, across 1 drug with 11 or more claims each, at $1,245 in total drug cost. In 2023, CMS named 51 claims across 1 drug.

Part D claims, 202464
Drugs named by CMS1
Total drug cost$1,245
Part D patients28

Dr. Hanowell'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 512024: 534%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Hanowell

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. Ernest James Hanowell ranks in the 45th percentile for colonoscopy in Medicare

Dr. Hanowell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of colonoscopy by Dr. Hanowell, more than 45% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Hanowell ranks in Medicare procedure volume

Colonoscopy
45th percentile16 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Ernest James Hanowell received $2,025 in industry payments from 2017 to 2023

CMS Open Payments shows 25 general payments to Dr. Hanowell from 6 drug and device companies from 2017 to 2023. Travel and lodging make up the largest share, 74% of the total. Covidien LP paid the most, $1,862.

General payments to Dr. Hanowell by program year, 2017 to 2023

General payments to Dr. Hanowell by kind, 2017 to 2023

$2Kin total
  • Travel and lodging$1,50574%
  • Food and beverage$52026%

Companies that paid Dr. Hanowell the most, 2017 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Hanowell

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

Dr. Ernest James Hanowell graduated from University of New England, College of Osteo Medicine

Dr. Hanowell graduated from University of New England, College of Osteo Medicine in 2003.

  1. Medical schoolUniversity of New England, College of Osteo Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Ernest James Hanowell'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Ernest James Hanowell

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. Ernest James Hanowell's NPI number?

Dr. Ernest James Hanowell's NPI number is 1023299666. It was assigned on November 26, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Ernest James Hanowell?

Dr. Ernest James Hanowell is a general surgeon in Plymouth, New Hampshire. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Ernest James Hanowell practice?

Dr. Hanowell practices at 16 Hospital Road, Plymouth, NH 03264. Dr. Hanowell's primary practice is Speare Memorial Hospital in Plymouth, New Hampshire, part of Speare Memorial Hospital. Dmand AI also links Dr. Hanowell to 1 therapy and rehab clinic.

What is Dr. Ernest James Hanowell's office phone number?

The practice phone on file for Dr. Hanowell is (603) 536-1120.

What is Dr. Ernest James Hanowell's medical license number?

Dr. Hanowell holds New Hampshire license 15793.

Which hospitals is Dr. Ernest James Hanowell affiliated with?

Dr. Hanowell practices at Speare Memorial Hospital in Plymouth, New Hampshire.

What medical group is Dr. Ernest James Hanowell part of?

Dr. Hanowell is linked to Speare Memorial Hospital.

Does Dr. Ernest James Hanowell accept Medicare?

Yes. CMS data shows Dr. Hanowell billed Medicare for 107 services in 2024, and Dr. Hanowell accepts Medicare assignment.

How many Medicare patients does Dr. Ernest James Hanowell see?

CMS counts 102 Medicare patients who saw Dr. Hanowell in 2024, with an average age of 74.

What services does Dr. Ernest James Hanowell bill to Medicare?

In 2024, Dr. Hanowell's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and office visit, new patient (99202).

Show 4 more questionsShow fewer questions

Where did Dr. Ernest James Hanowell go to medical school?

Dr. Hanowell graduated from University of New England, College of Osteo Medicine in 2003.

What drugs does Dr. Ernest James Hanowell prescribe most?

In 2024 Medicare Part D data, Dr. Hanowell's most prescribed drugs by claims were Omeprazole.

Has Dr. Ernest James Hanowell received payments from drug or device companies?

CMS Open Payments shows $2,025 in general payments to Dr. Hanowell from 6 companies from 2017 to 2023. The largest total came from Covidien LP.

How long has Dr. Ernest James Hanowell been practicing?

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

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