Mary Theresa Ann Lewis, M.D.
Otolaryngology Physician · Lancaster, PA
Mary Theresa Ann Lewis, M.D. is an otolaryngology physician with a practice address in Lancaster, Pennsylvania, and NPI 1023215969, issued on Jul 2, 2007. Check the license (Pennsylvania MD450120, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mary Theresa Ann Lewis
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- MD450120 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2104 Harrisburg Pike Ste 200, Lancaster, PA 17601
- Phone
- (717) 544-3626
- Enumerated
- Jul 2, 2007
- Record last updated
- Apr 24, 2025
- Fax
- (717) 544-3628
- Medicare enrollment
- Enrolled (PECOS I20170427001650); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 2007
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 531 in Pennsylvania → Look up another NPI →
Also registered at 2104 Harrisburg Pike Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Theresa Ann Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD450120Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average otolaryngology physician in 2024
15 Medicare Part D claims for 11 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 97.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $177.40
6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Lancaster General Medical GroupLancaster, PA
- Yampa Valley Medical CenterSteamboat Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Theresa Ann Lewis among 531 otolaryngology physician records in Pennsylvania
Mary Theresa Ann Lewis, M.D. is one of 531 otolaryngology physician records with a practice address in Pennsylvania. 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2007 · median 2002 among the 355 with a school on file
- Record last updated2025 · 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 207Y00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Pennsylvania
There are 531 otolaryngology physician records in Pennsylvania.
All 531 in Pennsylvania → Every provider in Lancaster → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Joseph Annese, D.O.Lancaster, PA 176011952401473
- Robert Belser, MDLancaster, PA 176011821055104
- Daryl Bodner, M.D.Lancaster, PA 176011184724601
- Jeffrey Davis, M.D.Lancaster, PA 176011699790063
- Steven Dorf, D.O.Lancaster, PA 176011518064310
- Trudy LaplacaLancaster, PA 176011235581083
- John Miller, M.D.Lancaster, PA 176011881794311
- Stephanie Palmer, AUDLancaster, PA 176011841251030
Common questions
What is Mary Theresa Ann Lewis, M.D.'s NPI number?
Mary Theresa Ann Lewis, M.D.'s National Provider Identifier (NPI) is 1023215969, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Theresa Ann Lewis, M.D. located?
The NPPES record lists a practice address at 2104 Harrisburg Pike Ste 200, Lancaster, PA, 17601. Phone: (717) 544-3626. Providers update this record themselves, so call before visiting.
How can I verify Mary Theresa Ann Lewis, M.D.'s license?
NPPES lists Pennsylvania license number MD450120, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Theresa Ann Lewis, M.D. prescribe under Medicare Part D?
In 2024, Mary Theresa Ann Lewis, M.D. had 15 Medicare Part D claims for 11 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Mary Theresa Ann Lewis, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 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.