Registry data as of Aug 27, 2026

Lauren Massaro, MD

Geriatric Medicine (Internal Medicine) Physician · Lancaster, PA

Lauren 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1992947972
Name
Lauren 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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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, MDStudent in an Organized Health Care Education/Training Program1891322921
  2. Beverly Gabriel, MDGeriatric Medicine (Internal Medicine) Physician1568517340
  3. Arshdeep Gujral, M.D.Geriatric Medicine (Internal Medicine) Physician1215468871
  4. Saba QadirFamily Medicine Physician1871086835
  5. Kristin Shaub, CRNPFamily Nurse Practitioner1386426724
  6. Kelly Stauffer, CRNPGeriatric Medicine (Family Medicine) Physician1689488702

Verify Lauren 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

88% 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 4,420 among the 2,888 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 average4,420

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 or facility affiliation

  1. Lancaster General HospitalLancaster, PA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Geriatric Medicine (Internal Medicine) Physician providers in Pennsylvania

There are 225 geriatric medicine (internal medicine) physician records in Pennsylvania.

All 225 in Pennsylvania → Every provider in Lancaster →

Other geriatric medicine (internal medicine) physician records in Pennsylvania

  1. Comfort Adewunmi, DOWilliamsport, PA1871120881
  2. Nova Aguila, MDPhiladelphia, PA1568698298
  3. Alison Alexander, MDNarbeth, PA1215096243
  4. Asif Ali, M.DAltoona, PA1841381092
  5. Anastassia Amaro, MDPhiladelphia, PA1013134659
  6. Asra Arif, MDRidley Park, PA1689038945
  7. Bonnie Ashby, MDBryn Mawr, PA1659350130
  8. John Bailey, D.O.Meadville, PA1699714733
  9. Larry Baling, MDHermitage, PA1932179074
  10. Noel Ballentine, MDHershey, PA1598714636

Common questions

What is Lauren Massaro, MD's NPI number?

Lauren 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 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 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 Massaro, MD prescribe under Medicare Part D?

In 2024, Lauren Massaro, MD had 8,305 Medicare Part D claims for 222 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,420. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.