NPPES file of Aug 9, 2026

Marsha H. Hamner, MD

Internal Medicine Physician · Greeley, CO

Marsha H. Hamner, MD is an internal medicine physician with a practice address in Greeley, Colorado, and NPI 1144357724, issued on Feb 28, 2007. Check the license (Colorado 39783, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144357724
Name
Marsha H. Hamner
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
39783 CO
Self-reported in NPPES; status is on the state search
Practice location
1801 16TH St, Greeley, CO 80631
Phone
(970) 810-4733
Enumerated
Feb 28, 2007
Record last updated
Feb 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20230927003518); accepts Medicare assignment
Medical or professional school
Texas A & M University System, Hsc, College Of Medicine, 2000
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 1801 16TH St

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

  1. Costa AlimonosInternal Medicine Physician1235670712
  2. Rodger Anders, PA-CPhysician Assistant1710956917
  3. Renee Anderson, CRNACertified Registered Nurse Anesthetist1457339848
  4. Adrien Arling, PA-CSurgical Physician Assistant1255907382
  5. Sydney Aronson, MSPAS, PA-CSurgical Physician Assistant1376000653
  6. Ronald Baars, PHARMDPharmacist1649252867

Verify Marsha H. Hamner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 39783
    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 Colorado 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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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

77 Medicare Part D claims for 44 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Marsha Hamner77
  2. Specialty average3,176

Most prescribed

  1. Cefdinir12 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 89.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%61.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $34.20

1 payment: food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marsha Hamner$34.20
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Hospital Medicine Services OF TX, PLLCSan Antonio, TX
  2. Hospitalist Medicine Physicians OF Texas PLLCBeaumont, TX
  3. Usacs Integrated Acute Care Services OF Texas, PLLCKerrville, TX

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

Marsha H. Hamner among 2,046 internal medicine physician records in Colorado

Marsha H. Hamner, MD is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 39% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2000 · median 2006 among the 1,090 with a school on file
  • Record last updated2019 · 61% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

37 internal medicine physician records list a practice address in Greeley

They are 37 of the 3,518 NPPES records with a practice address in Greeley, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Berntsen, MDGreeley, CO 806311730166687
  2. Julia BruceGreeley, CO 806311639136385
  3. Robert Cash, MDGreeley, CO 806311285611152
  4. Tesfaye Demeke, MDGreeley, CO 806311255352217
  5. Danielle Doro, M.D.Greeley, CO 806311437145190
  6. John Ebens, MDGreeley, CO 806311649257544
  7. Barbara Emerson, M.D.Greeley, CO 806311164573291
  8. Steven Kalt, MDGreeley, CO 806311225011554

Common questions

What is Marsha H. Hamner, MD's NPI number?

Marsha H. Hamner, MD's National Provider Identifier (NPI) is 1144357724, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Marsha H. Hamner, MD located?

The NPPES record lists a practice address at 1801 16TH St, Greeley, CO, 80631. Phone: (970) 810-4733. Providers update this record themselves, so call before visiting.

How can I verify Marsha H. Hamner, MD's license?

NPPES lists Colorado license number 39783, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marsha H. Hamner, MD prescribe under Medicare Part D?

In 2024, Marsha H. Hamner, MD had 77 Medicare Part D claims for 44 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Marsha H. Hamner, MD's MIPS final score?

The 2023 MIPS final score is 89.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.