Catherine Lynn Main, M.D.
Family Medicine Physician · Lancaster, PA
Catherine Lynn Main, M.D. is a family medicine physician with a practice address in Lancaster, Pennsylvania, and NPI 1356600373, issued on May 11, 2012. Check the license (Pennsylvania MD454868, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Catherine Lynn Main
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD454868 PA
MT201526 PA
Self-reported in NPPES; status is on the state search - Practice location
- 555 N Duke St, Lancaster, PA 17602
- Phone
- (717) 544-7228
- Enumerated
- May 11, 2012
- Record last updated
- Nov 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (717) 544-4149
- Medicare enrollment
- Enrolled (PECOS I20150731016702); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 555 N Duke St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rebecca Adams, CRNPGerontology Nurse Practitioner1780041723
Verify Catherine Lynn Main in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD454868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average family medicine physician in 2024
5,367 Medicare Part D claims for 528 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 127 claims were for opioids.
Most prescribed
- Atorvastatin Calcium378 claims
- Levothyroxine Sodium209 claims
- Omeprazole171 claims
- Losartan Potassium159 claims
- Amlodipine Besylate152 claims
- Rosuvastatin Calcium142 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.
Industry payments in 2024: $46.77
2 payments; by number, the most common kind was food and beverage; the largest payer was Grifols USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Lancaster General Medical GroupWillow Street, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Lynn Main among 7,483 family medicine physician records in Pennsylvania
Catherine Lynn Main, M.D. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.
- NPI issued2012 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2012 · median 2005 among the 4,529 with a school on file
- Record last updated2017 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
213 family medicine physician records list a practice address in Lancaster
They are 213 of the 5,378 NPPES records with a practice address in Lancaster, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Lancaster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Byler, MDLancaster, PA 176021710935648
- Federico Ceppa, MDLancaster, PA 176021144284704
- Howard Gerstein, MDLancaster, PA 176021346298999
- Jeffrey Kirchner, DOLancaster, PA 176021104864214
- D Thais Magill, M.D.Lancaster, PA 176021932172814
- Jeffrey Martin, MDLancaster, PA 176021578501680
- Luke Morley, DOLancaster, PA 176021033196332
- Maria Perlis, M.D.Lancaster, PA 176021275582314
Common questions
What is Catherine Lynn Main, M.D.'s NPI number?
Catherine Lynn Main, M.D.'s National Provider Identifier (NPI) is 1356600373, issued on May 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Lynn Main, M.D. located?
The NPPES record lists a practice address at 555 N Duke St, Lancaster, PA, 17602. Phone: (717) 544-7228. Providers update this record themselves, so call before visiting.
How can I verify Catherine Lynn Main, M.D.'s license?
NPPES lists Pennsylvania license number MD454868, 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 Catherine Lynn Main, M.D. prescribe under Medicare Part D?
In 2024, Catherine Lynn Main, M.D. had 5,367 Medicare Part D claims for 528 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.