Ernest Dalton Hanowell

  • Bethesda, MD
  • General surgeon
NPI1952381428
Medicare services, 2019
126
Part D claims, 2019
14
Industry payments
$12,857
Affiliated sites
1
State license
1
Practice address
10215 Fernwood Rd Ste 102 Suite 102, Bethesda, MD 20817-1299
Practice phone
Call (301) 897-5450
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hanowell, MD, PC

Physician office · Bethesda, Maryland

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Ernest Dalton Hanowell is a general surgeon in Bethesda, Maryland

Ernest Hanowell practices at Hanowell, MD, PC in Bethesda, Maryland.

Ernest Hanowell's NPI, 1952381428, was assigned on January 19, 2006. Ernest Hanowell holds Maryland license D21898.

NPI and contact details
NPI enumeration date
January 19, 2006
NPI status
Active
Practice phone
(301) 897-5450
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Ernest Dalton Hanowell practices at Hanowell, MD, PC in Bethesda, Maryland

Ernest Hanowell's primary practice is Hanowell, MD, PC, at 10215 Fernwood Rd Ste 102 Suite 102, Bethesda, MD 20817-1299. The practice phone is (301) 897-5450.

  • Hanowell, MD, PC
    10215 Fernwood Rd Ste 102 Suite 102, Bethesda, MD 20817-1299Phone(301) 897-5450

Source: Dmand AI Affiliation Data

Ernest Dalton Hanowell is affiliated with 1 site of care

Ernest Hanowell's primary practice is Hanowell, MD, PC in Bethesda, Maryland.

Hanowell, MD, PCPhysician office · Bethesda, MarylandPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Ernest Dalton Hanowell's practice

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

EHR by site
SiteEHR vendor and product
Hanowell, MD, PCAvailable with a free account

Source: Dmand AI Technology Install Data

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Ernest Dalton Hanowell is one of 532 general surgeons in Maryland

Surgery is Ernest Hanowell's primary specialty in the NPI Registry, under taxonomy code 208600000X. Ernest Hanowell is licensed in Maryland.

Specialties and state licenses

  • Surgery, MarylandPrimaryLicense D21898 · taxonomy 208600000X

General surgeons near Ernest 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

Ernest Dalton Hanowell billed Medicare for 126 services in 2019

CMS data shows 126 Medicare services from Ernest Hanowell across 5 procedure codes in 2019. Medicare paid $19,271 for them.

Medicare services, 2019126
Paid by Medicare$19,271
Procedure codes5

Ernest Hanowell's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Office and hospital visits
2018: 1262019: 10913%
Surgery
2018: 172019: 17No change

Where Ernest Hanowell's Medicare services took place, 2019

  • In an office10987%
  • In a facility1713%

Ernest Hanowell compared with the Maryland median for general surgeons, 2019

  • Ernest Hanowell
  • Maryland median
Medicare services
126vs 23045% below
Part D claims
14vs 2646% below

Medians across 485 general surgeons in Maryland with Dmand AI profiles that report each measure.

Ernest Hanowell's most billed Medicare procedure codes, 2019

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

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

Ernest Dalton Hanowell's patients have a median age of 72

Across all payers, Dmand AI patient panel data puts Ernest Hanowell's median patient age at 72, with 0% women.

Ernest 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 72

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Ernest Dalton Hanowell wrote 14 Medicare Part D claims in 2019

In 2019, Ernest Hanowell wrote 14 Medicare Part D claims. They cover 1 drug, with $74 in total drug cost. In 2018, CMS named 12 claims across 1 drug.

Part D claims, 201914
Drugs named by CMS1
Total drug cost$74

Ernest Hanowell's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 122019: 1417%

Drugs named by CMS: 1 in 2019, 1 in 2018.

See all prescribing by Ernest Hanowell

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

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Ernest Dalton Hanowell received $12,857 in industry payments from 2016 to 2018

CMS Open Payments shows 50 general payments to Ernest Hanowell from 7 drug and device companies from 2016 to 2018. Education make up the largest share, 55% of the total. Intuitive Surgical, Inc. paid the most, $12,627.

General payments to Ernest Hanowell by program year, 2016 to 2018

General payments to Ernest Hanowell by kind, 2016 to 2018

$12.9Kin total
  • Education$7,07855%
  • Travel and lodging$5,25541%
  • Food and beverage$5244%

Companies that paid Ernest Hanowell the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Ernest Hanowell

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

Sources for Ernest Dalton 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 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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Ernest Dalton 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 Ernest Dalton Hanowell's NPI number?

Ernest Dalton Hanowell's NPI number is 1952381428. It was assigned on January 19, 2006, and it is active in the NPI Registry.

What does Ernest Dalton Hanowell specialize in?

Ernest Dalton Hanowell is a general surgeon in Bethesda, Maryland. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Ernest Dalton Hanowell practice?

Ernest Hanowell practices at 10215 Fernwood Rd Ste 102 Suite 102, Bethesda, MD 20817-1299. Ernest Hanowell's primary practice is Hanowell, MD, PC in Bethesda, Maryland.

What is Ernest Dalton Hanowell's office phone number?

The practice phone on file for Ernest Hanowell is (301) 897-5450.

What is Ernest Dalton Hanowell's medical license number?

Ernest Hanowell holds Maryland license D21898.

Does Ernest Dalton Hanowell accept Medicare?

Yes. CMS data shows Ernest Hanowell billed Medicare for 126 services in 2019.

What services does Ernest Dalton Hanowell bill to Medicare?

In 2019, Ernest Hanowell's most billed Medicare services were office visit, new patient (99205), office visit, new patient (99204) and office visit, new patient (99202).

What drugs does Ernest Dalton Hanowell prescribe most?

In 2019 Medicare Part D data, Ernest Hanowell's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Has Ernest Dalton Hanowell received payments from drug or device companies?

CMS Open Payments shows $12,857 in general payments to Ernest Hanowell from 7 companies from 2016 to 2018. The largest total came from Intuitive Surgical, Inc.

How long has Ernest Dalton Hanowell been practicing?

Ernest Hanowell's NPI was assigned in 2006.

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