NPPES file of Aug 9, 2026

Shannon Altazan, DO

Emergency Medicine Physician · Marietta, OH

Shannon Altazan, DO is an emergency medicine physician with a practice address in Marietta, Ohio, and NPI 1477057883, issued on Mar 20, 2018. Check the license (Ohio 34.015793, as entered in NPPES) on the State Medical Board of Ohio; 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
1477057883
Name
Shannon Altazan
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
34.015793 OH
3742 WV
Self-reported in NPPES; status is on the state search
Practice location
401 Matthew St, Marietta, OH 45750
Phone
(740) 376-1939
Enumerated
Mar 20, 2018
Record last updated
Feb 19, 2026
Fax
(740) 374-1693
Medicaid ID
0485813 OH
Medicare enrollment
Enrolled (PECOS I20220616000634); accepts Medicare assignment
Medical or professional school
William Carey University College Of Osteopathic Medicine, 2018
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.
Download card Updates feed

Also registered at 401 Matthew St

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

  1. Oriade Adeoye, M.DPulmonary Disease Physician1417397688
  2. Amanda AlexanderPhysical Therapy Assistant1265319651
  3. Corey Alley, MDInternal Medicine Physician1366020968
  4. Megan Amos, CRNACertified Registered Nurse Anesthetist1801380084
  5. Michael Archer, DOEmergency Medicine Physician1982349288
  6. Amber Aultman, NPFamily Nurse Practitioner1336527985

Verify Shannon Altazan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34.015793
    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 Ohio 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

87% more Medicare Part D claims than the average emergency medicine physician in 2024

422 Medicare Part D claims for 266 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 55 claims were for opioids.

  1. Shannon Altazan422
  2. Specialty average226

Most prescribed

  1. Prednisone95 claims
  2. Cephalexin48 claims
  3. Hydrocodone-Acetaminophen48 claims
  4. Ondansetron Odt36 claims
  5. Methocarbamol27 claims
  6. Azithromycin26 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 MIPS final score for 2023 (Medicare payment program): 90.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score67.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

One hospital affiliation

  1. Marietta Memorial HospitalBelpre, OH · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

56 emergency medicine physician records list a practice address in Marietta

They are 56 of the 1,141 NPPES records with a practice address in Marietta, and 3,002 emergency medicine physician records in Ohio.

Other emergency medicine physician records in Ohio

  1. Alexandra Abangan, MDSpringfield, OH1508121641
  2. Brian Abbott, MDColumbus, OH1841591757
  3. Abdalla Abdalla, MDLima, OH1952046682
  4. Ali Abdallah, DOCanton, OH1134749997
  5. Anthony Abdullah, M.D.Hamilton, OH1457319386
  6. Najee Abou Arraj, MDCleveland, OH1780181420
  7. Mikhael Abourjeily, D.O.Mentor, OH1982689758
  8. Michael Abrahams, M.D.Logan, OH1487098463
  9. Arun Acharekar, MDMansfield, OH1659411544
  10. Kevin Ackley, MDCincinnati, OH1952340903

Common questions

What is Shannon Altazan, DO's NPI number?

Shannon Altazan, DO's National Provider Identifier (NPI) is 1477057883, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Altazan, DO located?

The NPPES record lists a practice address at 401 Matthew St, Marietta, OH, 45750. Phone: (740) 376-1939. Providers update this record themselves, so call before visiting.

How can I verify Shannon Altazan, DO's license?

NPPES lists Ohio license number 34.015793, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Shannon Altazan, DO prescribe under Medicare Part D?

In 2024, Shannon Altazan, DO had 422 Medicare Part D claims for 266 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Shannon Altazan, DO's MIPS final score?

The 2023 MIPS final score is 90.1 of 100. 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.