NPPES file of Aug 9, 2026

Lewis A. Hassell, M.D.

Anatomic Pathology & Clinical Pathology Physician · Oklahoma City, OK

Lewis A. Hassell, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1831115120, issued on Jul 14, 2006. Check the license (Oklahoma 26094, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1831115120
Name
Lewis A. Hassell
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
26094 OK
Self-reported in NPPES; status is on the state search
Practice location
940 Stanton L Young Blvd, Oklahoma City, OK 73104
Phone
(405) 271-5170
Enumerated
Jul 14, 2006
Record last updated
Jan 23, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(405) 271-2524
Medicare enrollment
Enrolled (PECOS I20080501000052); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 1982
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 940 Stanton L Young Blvd

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

  1. Omar Anani, MDAnatomic Pathology & Clinical Pathology Physician1114604766
  2. Nasir Bakshi, MDAnatomic Pathology & Clinical Pathology Physician1164491106
  3. Barbara Bane, MDAnatomic Pathology & Clinical Pathology Physician1346219383
  4. Lisa Barton, M.D., PH.D.Anatomic Pathology & Clinical Pathology Physician1134533698
  5. Gustin Bateman, M.D.Anesthesiology Physician1992843429
  6. Brian Besch, MDAnatomic Pathology & Clinical Pathology Physician1083118749

Verify Lewis A. Hassell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 26094
    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 Oklahoma 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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The practice group's MIPS final score for 2023 (Medicare payment program): 71.7 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. Qualityout of 100 · 30% of the final score53.5
  2. Costout of 100 · 30%52.1
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. OU Health Partners IncOklahoma City, OK

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

Lewis A. Hassell among 150 anatomic pathology & clinical pathology physician records in Oklahoma

Lewis A. Hassell, M.D. is one of 150 anatomic pathology & clinical pathology physician records with a practice address in Oklahoma. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 49% newer
  • In a Medicare fileYes · 54% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated1982 · median 2000 among the 71 with a school on file
  • Record last updated2017 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Oklahoma

There are 150 anatomic pathology & clinical pathology physician records in Oklahoma.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Nasir Bakshi, MDOklahoma City, OK 731041164491106
  2. Barbara Bane, MDOklahoma City, OK 731041346219383
  3. Gregory Blakey, MDOklahoma City, OK 731041821067497
  4. Elizabeth Gillies, MDOklahoma City, OK 731041881663797
  5. Marc Harrison, MDOklahoma City, OK 731041982745196
  6. Sanam Husain, MDOklahoma City, OK 731041689715807
  7. Alex John, MDOklahoma City, OK 731041386785509
  8. William Kern, MDOklahoma City, OK 731041851360341

Common questions

What is Lewis A. Hassell, M.D.'s NPI number?

Lewis A. Hassell, M.D.'s National Provider Identifier (NPI) is 1831115120, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lewis A. Hassell, M.D. located?

The NPPES record lists a practice address at 940 Stanton L Young Blvd, Oklahoma City, OK, 73104. Phone: (405) 271-5170. Providers update this record themselves, so call before visiting.

How can I verify Lewis A. Hassell, M.D.'s license?

NPPES lists Oklahoma license number 26094, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Lewis A. Hassell, M.D.'s MIPS final score?

The 2023 MIPS final score is 71.7 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.