NPPES file of Aug 9, 2026

Michelle Maciag, M.D.

Allergy & Immunology Physician · Salem, MA

Michelle Maciag, M.D. is an allergy & immunology physician with a practice address in Salem, Massachusetts, and NPI 1255778395, issued on May 30, 2013. Check the license (Massachusetts 270275, 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
1255778395
Name
Michelle Maciag
Credential
M.D.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
270275 MA
Self-reported in NPPES; status is on the state search
Practice location
114R Highland Ave, Salem, MA 01970
Phone
(978) 745-3711
Enumerated
May 30, 2013
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200818003648); 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.
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Also registered at 114R Highland Ave

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

  1. Diana Balekian, MD MPHAllergy & Immunology Physician1891007001
  2. Jeanne Gose, MDAllergy Physician1114965431
  3. James Maclean, MDAllergy & Immunology Physician1568444594
  4. Cristina Mazzoni Palumbo, M.D.Allergy & Immunology Physician1790722387
  5. Hallie Norman, MDAllergy & Immunology Physician1881273019
  6. Andrew Ober, M.D.Allergy & Immunology Physician1003863796

Verify Michelle Maciag 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 270275
    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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31% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

508 Medicare Part D claims for 152 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. Michelle Maciag508
  2. Specialty average741

Most prescribed

  1. Azelastine Hcl48 claims
  2. Albuterol Sulfate Hfa47 claims
  3. Montelukast Sodium43 claims
  4. Wixela Inhub36 claims
  5. Fluticasone Propionate35 claims
  6. Ipratropium Bromide27 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: $27.18

1 payment: food and beverage; the largest payer was Abbvie Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michelle Maciag$27.18
  2. Specialty average$8,321.81

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

Bills Medicare through 2 group practices

  1. Allergy Affiliates OF DanversDanvers, MA
  2. Asthma And Allergy Affiliates IncSalem, MA

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

Michelle Maciag among 121 allergy & immunology physician records in Massachusetts

Michelle Maciag, M.D. is one of 121 allergy & immunology physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.

  • NPI issued2013 · 77% of these records are older, 17% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2013 · median 2003 among the 86 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Massachusetts

There are 121 allergy & immunology physician records in Massachusetts.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Diana Balekian, MD MPHSalem, MA 019701891007001
  2. James Maclean, MDSalem, MA 019701568444594
  3. Cristina Mazzoni Palumbo, M.D.Salem, MA 019701790722387
  4. Hallie Norman, MDSalem, MA 019701881273019
  5. Andrew Ober, M.D.Salem, MA 019701003863796
  6. Eyal Oren, MDSalem, MA 019701922081702
  7. John Renneburg, MDDedham, MA 020261861466716
  8. Vandana Krishna, M.D., M.S., FAAAAIWinchester, MA 018901891776746

Common questions

What is Michelle Maciag, M.D.'s NPI number?

Michelle Maciag, M.D.'s National Provider Identifier (NPI) is 1255778395, issued on May 30, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Maciag, M.D. located?

The NPPES record lists a practice address at 114R Highland Ave, Salem, MA, 01970. Phone: (978) 745-3711. Providers update this record themselves, so call before visiting.

How can I verify Michelle Maciag, M.D.'s license?

NPPES lists Massachusetts license number 270275, 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 Michelle Maciag, M.D. prescribe under Medicare Part D?

In 2024, Michelle Maciag, M.D. had 508 Medicare Part D claims for 152 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.