NPPES file of Aug 9, 2026

Thomas W. Andersen, M.D.

Family Medicine Physician · Lititz, PA

Thomas W. Andersen, M.D. is a family medicine physician with a practice address in Lititz, Pennsylvania, and NPI 1073597134, issued on Dec 2, 2005. Check the license (Pennsylvania MD033956E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1073597134
Name
Thomas W. Andersen
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD033956E PA
Self-reported in NPPES; status is on the state search
Practice location
562 W 2ND Ave, Lititz, PA 17543
Phone
(717) 626-2167
Enumerated
Dec 2, 2005
Record last updated
Sep 1, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(717) 626-1915
Medicaid ID
0010881200004 PA
Medicare enrollment
Enrolled (PECOS I20100330000235); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1984
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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8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →

Also registered at 562 W 2ND Ave

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

  1. Isma Ali, MDFamily Medicine Physician1366287377
  2. Erin Collins, PA-CFamily Medicine Physician1871204461
  3. Brock Cromleigh, CRNP, FNP-BCFamily Nurse Practitioner1003707993
  4. Mary Ivy, M.D.Family Medicine Physician1447234521
  5. Carly Meyer, CRNPNurse Practitioner1649576000
  6. Daniel Russo, MDFamily Medicine Physician1740718212

Verify Thomas W. Andersen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD033956E    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 Pennsylvania license search

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70% more Medicare Part D claims than the average family medicine physician in 2024

6,041 Medicare Part D claims for 718 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 194 claims were for opioids.

  1. Thomas Andersen6,041
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium413 claims
  2. Omeprazole253 claims
  3. Losartan Potassium244 claims
  4. Amlodipine Besylate237 claims
  5. Lisinopril204 claims
  6. Rosuvastatin Calcium191 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.

Bills Medicare through one group practice

  1. Lancaster General Medical GroupLancaster, PA

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

Thomas W. Andersen among 7,483 family medicine physician records in Pennsylvania

Thomas W. Andersen, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1984 · median 2005 among the 4,529 with a school on file
  • Record last updated2007 · 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).

37 family medicine physician records list a practice address in Lititz

They are 37 of the 599 NPPES records with a practice address in Lititz, and 7,483 family medicine physician records in Pennsylvania.

All 7,483 in Pennsylvania → Every provider in Lititz → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Jeffrey Gerard, MDLititz, PA 175431073556536
  2. John Ginder, DOLititz, PA 175431104869031
  3. Peter Hurtubise, DOLititz, PA 175431558306670
  4. Mary Ivy, M.D.Lititz, PA 175431447234521
  5. Charles Mershon, MDLititz, PA 175431336182781
  6. Douglas Morrissey, MDLititz, PA 175431194763623
  7. Dean Quimby, M.D.Lititz, PA 175431538118153
  8. Alice Riden, MDLititz, PA 175431962444877

Common questions

What is Thomas W. Andersen, M.D.'s NPI number?

Thomas W. Andersen, M.D.'s National Provider Identifier (NPI) is 1073597134, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas W. Andersen, M.D. located?

The NPPES record lists a practice address at 562 W 2ND Ave, Lititz, PA, 17543. Phone: (717) 626-2167. Providers update this record themselves, so call before visiting.

How can I verify Thomas W. Andersen, M.D.'s license?

NPPES lists Pennsylvania license number MD033956E, 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 Thomas W. Andersen, M.D. prescribe under Medicare Part D?

In 2024, Thomas W. Andersen, M.D. had 6,041 Medicare Part D claims for 718 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.