NPPES file of Aug 9, 2026

Megan Bradley Callahan, M.D.

Internal Medicine Physician · Everett, MA

Megan Bradley Callahan, M.D. is an internal medicine physician with a practice address in Everett, Massachusetts, and NPI 1881662864, issued on Mar 8, 2006. Check the license (Massachusetts 229848, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1881662864
Name
Megan Bradley Callahan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
229848 MA
Self-reported in NPPES; status is on the state search
Practice location
103 Garland St, Everett, MA 02149
Phone
(617) 394-7701
Enumerated
Mar 8, 2006
Record last updated
Jan 16, 2023
Medicare enrollment
Enrolled (PECOS I20060822000171); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 103 Garland St

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

  1. Godwin Aduba, PA-CMedical Physician Assistant1841449998
  2. Joanne Agnes, RN,ADRegistered Nurse1073710224
  3. Casey Alexandre, RNInfusion Therapy Registered Nurse1306523972
  4. Nancy Banfield, MSPTPhysical Therapist1548466758
  5. Samantha BianchiRegistered Nurse1952964983
  6. Gary BlairEmergency Medicine Physician1962498378

Verify Megan Bradley Callahan 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 229848
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

84% fewer Medicare Part D claims than the average internal medicine physician in 2024

522 Medicare Part D claims for 75 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Megan Callahan522
  2. Specialty average3,176

Most prescribed

  1. Eliquis34 claims
  2. Atorvastatin Calcium30 claims
  3. Metoprolol Succinate21 claims
  4. Rivastigmine19 claims
  5. Sertraline Hcl19 claims
  6. Furosemide14 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: $502.05

22 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Megan Callahan$502.05
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Cambridge Public Health CommissionEverett, MA
  2. Charter Ltc LLCSalem, MA
  3. Mass General Brigham Medical Group, Inc.Jamaica Plain, MA

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

Megan Bradley Callahan among 6,825 internal medicine physician records in Massachusetts

Megan Bradley Callahan, 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. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1998 · median 2004 among the 4,103 with a school on file
  • Record last updated2023 · 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).

10 internal medicine physician records list a practice address in Everett

They are 10 of the 489 NPPES records with a practice address in Everett, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Phyllis Chen, MDEverett, MA 021491407800550
  2. Heather Coates-Krawitz, MDEverett, MA 021491679575666
  3. Wayne Draper, M.D.Everett, MA 021491144318056
  4. Ian DwyerEverett, MA 021491558011767
  5. Nicole Holguin, M.D.Everett, MA 021491881823169
  6. Kimberly Kinaka, MDEverett, MA 021491275604241
  7. Judy Kwok, M.D.Cambridge, MA 021491770920217
  8. Jocelyn RondaEverett, MA 021491851684856

Common questions

What is Megan Bradley Callahan, M.D.'s NPI number?

Megan Bradley Callahan, M.D.'s National Provider Identifier (NPI) is 1881662864, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Megan Bradley Callahan, M.D. located?

The NPPES record lists a practice address at 103 Garland St, Everett, MA, 02149. Phone: (617) 394-7701. Providers update this record themselves, so call before visiting.

How can I verify Megan Bradley Callahan, M.D.'s license?

NPPES lists Massachusetts license number 229848, 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.

How much does Megan Bradley Callahan, M.D. prescribe under Medicare Part D?

In 2024, Megan Bradley Callahan, M.D. had 522 Medicare Part D claims for 75 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.