NPPES file of Aug 9, 2026

Brant Barry Hafen, DO

Internal Medicine Physician · Las Vegas, NV

Brant Barry Hafen, DO is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1316407828, issued on Mar 21, 2019. Check the license (Nevada DO3209, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316407828
Name
Brant Barry Hafen
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
DO3209 NV
TL000---- CO
Self-reported in NPPES; status is on the state search
Practice location
2704 N Tenaya Way, Las Vegas, NV 89128
Phone
(702) 877-5199
Enumerated
Mar 21, 2019
Record last updated
Sep 28, 2022
Medicare enrollment
Enrolled (PECOS I20260204002678); accepts Medicare assignment
Medical or professional school
Alabama College Of Osteopathic Medicine, 2019
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2704 N Tenaya Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexander Abesamis, APRN-RXNurse Practitioner1164902185
  2. Elena Andrews, M.D.Family Medicine Physician1588751556
  3. Anthony Arslan, D.O.Geriatric Medicine (Family Medicine) Physician1619132800
  4. Stephanie Ashman, M.D.Internal Medicine Physician1417279423
  5. Elizabeth Brewer, CNM, WNHPWomen's Health Nurse Practitioner1851399109
  6. Roslyn Collins, APNFamily Nurse Practitioner1891762712

Verify Brant Barry Hafen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license DO3209
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nevada license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.3 times the Medicare Part D claims of the average internal medicine physician in 2024

7,178 Medicare Part D claims for 732 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 86 claims were for opioids.

  1. Brant Hafen7,178
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium536 claims
  2. Amlodipine Besylate337 claims
  3. Levothyroxine Sodium320 claims
  4. Rosuvastatin Calcium277 claims
  5. Losartan Potassium275 claims
  6. Lisinopril245 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.

Bills Medicare through 2 group practices

  1. Intermountain Medical Group Denver LLCDenver, CO
  2. Optum Medical Group II Rhodes P CLas Vegas, NV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brant Barry Hafen among 1,229 internal medicine physician records in Nevada

Brant Barry Hafen, DO is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 80% of them.

  • NPI issued2019 · 80% of these records are older, 16% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2019 · median 2006 among the 772 with a school on file
  • Record last updated2022 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

716 internal medicine physician records list a practice address in Las Vegas

They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sameer Abu-Samrah, MDLas Vegas, NV 891281770553802
  2. Savita Chander, MDLas Vegas, NV 891281447255773
  3. Anit Dua, MDLas Vegas, NV 891281134119712
  4. James Eells, MDLas Vegas, NV 891281679546139
  5. Kimball Huang, MDLas Vegas, NV 891281073502084
  6. Sassan Kaveh, M.D.Las Vegas, NV 891281851385447
  7. Anne Kristensen, M.D.Las Vegas, NV 891281861499733
  8. Mohammed Najmi, M.D.Las Vegas, NV 891281699775163

Common questions

What is Brant Barry Hafen, DO's NPI number?

Brant Barry Hafen, DO's National Provider Identifier (NPI) is 1316407828, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Brant Barry Hafen, DO located?

The NPPES record lists a practice address at 2704 N Tenaya Way, Las Vegas, NV, 89128. Phone: (702) 877-5199. Providers update this record themselves, so call before visiting.

How can I verify Brant Barry Hafen, DO's license?

NPPES lists Nevada license number DO3209, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brant Barry Hafen, DO prescribe under Medicare Part D?

In 2024, Brant Barry Hafen, DO had 7,178 Medicare Part D claims for 732 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.