NPPES file of Aug 9, 2026

Margo Rockwell Stevenson, D.O.

Allergy & Immunology Physician · Sturbridge, MA

Margo Rockwell Stevenson, D.O. is an allergy & immunology physician with a practice address in Sturbridge, Massachusetts, and NPI 1053755611, issued on Apr 24, 2013. Check the license (Massachusetts 274393, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053755611
Name
Margo Rockwell Stevenson
Credential
D.O.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
274393 MA
Self-reported in NPPES; status is on the state search
Practice location
198 Charlton RD, Sturbridge, MA 01566
Phone
(774) 452-7200
Enumerated
Apr 24, 2013
Record last updated
Oct 13, 2023
Fax
(774) 452-7193
Medicaid ID
110110753A MA
Medicare enrollment
Enrolled (PECOS I20181012001169); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 2013
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 198 Charlton RD

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

  1. Peter Cestodio, NPNurse Practitioner1780373886
  2. Ginny Crosse, NPFamily Nurse Practitioner1922763622
  3. Sarah Desjardin, RDRegistered Dietitian1740617000
  4. Samantha Donlon, NPNurse Practitioner1558141739
  5. Gennady Gelman, M.D.Family Medicine Physician1124453659
  6. Jessica LockeFamily Nurse Practitioner1083274765

Verify Margo Rockwell Stevenson 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 274393
    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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51% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

360 Medicare Part D claims for 109 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Margo Stevenson360
  2. Specialty average741

Most prescribed

  1. Azelastine Hcl75 claims
  2. Ipratropium Bromide48 claims
  3. Montelukast Sodium31 claims
  4. Epinephrine24 claims
  5. Hizentra24 claims
  6. Albuterol Sulfate Hfa15 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.

The MIPS final score for 2023 (Medicare payment program): 97 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $15,728.90

54 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, 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. Margo Stevenson$15,729
  2. Specialty average$8,322

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

Bills Medicare through one group practice

  1. Umass Memorial Medical Group IncSturbridge, MA

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

Margo Rockwell Stevenson among 121 allergy & immunology physician records in Massachusetts

Margo Rockwell Stevenson, D.O. 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 updated2023 · 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. Michelle Conroy, M.D.Worcester, MA 016551922026343
  2. Whitney Dunlap, MDWorcester, MA 016551093932824
  3. Francisco Bonilla, M.D.Leominster, MA 014531245298215
  4. Tracy Kruzick, MDLeominster, MA 014531558424812
  5. David Riester, M.D.Leominster, MA 014531306843941
  6. Jordan Scott, M.D.Leominster, MA 014531275517245
  7. Maria Castells, MDGardner, MA 014401427039478
  8. Michael McCormick, M.D.Hopedale, MA 017471063496982

Common questions

What is Margo Rockwell Stevenson, D.O.'s NPI number?

Margo Rockwell Stevenson, D.O.'s National Provider Identifier (NPI) is 1053755611, issued on Apr 24, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Margo Rockwell Stevenson, D.O. located?

The NPPES record lists a practice address at 198 Charlton RD, Sturbridge, MA, 01566. Phone: (774) 452-7200. Providers update this record themselves, so call before visiting.

How can I verify Margo Rockwell Stevenson, D.O.'s license?

NPPES lists Massachusetts license number 274393, 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 Margo Rockwell Stevenson, D.O. prescribe under Medicare Part D?

In 2024, Margo Rockwell Stevenson, D.O. had 360 Medicare Part D claims for 109 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.

What is Margo Rockwell Stevenson, D.O.'s MIPS final score?

The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.