NPPES file of Aug 9, 2026

Lauren Marie Massaro, MD

Geriatric Medicine (Internal Medicine) Physician · Lancaster, PA

Lauren Marie Massaro, MD is a geriatric medicine (internal medicine) physician with a practice address in Lancaster, Pennsylvania, and NPI 1992947972, issued on Apr 6, 2009. Check the license (Pennsylvania MD445809, 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
1992947972
Name
Lauren Marie Massaro
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
MD445809 PA
Self-reported in NPPES; status is on the state search
Practice location
2112 Harrisburg Pike Ste 312, Lancaster, PA 17601
Phone
(717) 544-3022
Enumerated
Apr 6, 2009
Record last updated
Jul 19, 2022
Medicare enrollment
Enrolled (PECOS I20181217000526); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2009
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 geriatric medicine (internal medicine) physician records → All 228 in Pennsylvania → Look up another NPI →

Also registered at 2112 Harrisburg Pike Ste 312

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

  1. Simone Fernandes Dos Santos Hughes, MDInternal Medicine Physician1891322921
  2. Beverly Gabriel, MDGeriatric Medicine (Internal Medicine) Physician1568517340
  3. Arshdeep Gujral, M.D.Internal Medicine Physician1215468871
  4. Saba QadirGeriatric Medicine (Family Medicine) Physician1871086835
  5. Kristin Shaub, CRNPFamily Nurse Practitioner1386426724
  6. Kelly Stauffer, CRNPGeriatric Medicine (Family Medicine) Physician1689488702

Verify Lauren Marie Massaro 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 MD445809    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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96% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

8,305 Medicare Part D claims for 222 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 126 claims were for opioids.

  1. Lauren Massaro8,305
  2. Specialty average4,246

Most prescribed

  1. Levothyroxine Sodium406 claims
  2. Eliquis328 claims
  3. Furosemide308 claims
  4. Sertraline Hcl308 claims
  5. Metoprolol Succinate302 claims
  6. Potassium Chloride278 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.

One hospital affiliation

  1. Lancaster General HospitalLancaster, PA · Acute Care Hospitals5 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.

Lauren Marie Massaro among 228 geriatric medicine (internal medicine) physician records in Pennsylvania

Lauren Marie Massaro, MD is one of 228 geriatric medicine (internal medicine) physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 75% of them.

  • NPI issued2009 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2009 · median 1998 among the 115 with a school on file
  • Record last updated2022 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Pennsylvania

There are 228 geriatric medicine (internal medicine) physician records in Pennsylvania.

All 228 in Pennsylvania → Every provider in Lancaster → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Leigh Deshong, M.D.Lancaster, PA 176011720354210
  2. Beverly Gabriel, MDLancaster, PA 176011568517340
  3. Shahid Babar, M.D.Lancaster, PA 176021720077381
  4. Elyse Goveia, M.D.Lancaster, PA 176021033598891
  5. Thomas Braide, MDWillow Street, PA 175841598969404
  6. Palak Mehta, M.D.Ephrata, PA 175221154522167
  7. Boris Goralnik, MDWilliamsport, PA 177011366776742
  8. Zachary Simpson, MDWilliamsport, PA 177011073514121

Common questions

What is Lauren Marie Massaro, MD's NPI number?

Lauren Marie Massaro, MD's National Provider Identifier (NPI) is 1992947972, issued on Apr 6, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Marie Massaro, MD located?

The NPPES record lists a practice address at 2112 Harrisburg Pike Ste 312, Lancaster, PA, 17601. Phone: (717) 544-3022. Providers update this record themselves, so call before visiting.

How can I verify Lauren Marie Massaro, MD's license?

NPPES lists Pennsylvania license number MD445809, 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 Lauren Marie Massaro, MD prescribe under Medicare Part D?

In 2024, Lauren Marie Massaro, MD had 8,305 Medicare Part D claims for 222 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.