NPPES file of Aug 9, 2026

Anthony P. Lopez, M.D.

Internal Medicine Physician · Newburyport, MA

Anthony P. Lopez, M.D. is an internal medicine physician with a practice address in Newburyport, Massachusetts, and NPI 1770541815, issued on May 1, 2006. Check the license (Massachusetts 51288, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1770541815
Name
Anthony P. Lopez
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
51288 MA
Self-reported in NPPES; status is on the state search
Practice location
260 Merrimac St, Newburyport, MA 01950
Phone
(978) 499-7200
Enumerated
May 1, 2006
Record last updated
Jun 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(978) 499-7288
Medicaid ID
6176933 MA
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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8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →

Also registered at 260 Merrimac St

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

  1. Stephen Beaudoin, M.D.Internal Medicine Physician1902808124
  2. Kennedy Brown, DCChiropractor1154009991
  3. Kimberly Carter, CNPFamily Nurse Practitioner1801260344
  4. Deborah Casson, N.P.Family Nurse Practitioner1639361892
  5. Maureen Cullen, NPNurse Practitioner1578522702
  6. Jennah Dieter, D.C.Chiropractor1508873795

Verify Anthony P. Lopez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 51288    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 Massachusetts 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.

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Anthony P. Lopez among 6,825 internal medicine physician records in Massachusetts

Anthony P. Lopez, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2019 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 internal medicine physician records list a practice address in Newburyport

They are 22 of the 558 NPPES records with a practice address in Newburyport, and 6,825 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6,825 in Massachusetts → Every provider in Newburyport → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Stephen Beaudoin, M.D.Newburyport, MA 019501902808124
  2. Anthony Eaton, M.D.Newburyport, MA 019501831193101
  3. Daniel Eyink, M.D.Newburyport, MA 019501730160409
  4. Christopher Harris, M.D.Newburyport, MA 019501912901604
  5. William Ingram, M.D.Newburyport, MA 019501689679268
  6. Kimberly Kersten, DONewburyport, MA 019501912903030
  7. Theresa Leak-Gonzalez, MDNewburyport, MA 019501679587265
  8. Paul Mendelson, M.D.Newburyport, MA 019501396727228

Common questions

What is Anthony P. Lopez, M.D.'s NPI number?

Anthony P. Lopez, M.D.'s National Provider Identifier (NPI) is 1770541815, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anthony P. Lopez, M.D. located?

The NPPES record lists a practice address at 260 Merrimac St, Newburyport, MA, 01950. Phone: (978) 499-7200. Providers update this record themselves, so call before visiting.

How can I verify Anthony P. Lopez, M.D.'s license?

NPPES lists Massachusetts license number 51288, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.