Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Maggie Sullivan Johnson, MD

Individual provider Family Medicine Physician · NPI 1598119802

Dr. Maggie Sullivan Johnson, MD is a Family Practice in Rowley, Massachusetts. Qualified in 2016, 10 years ago. Practices with Mass General Brigham Medical Group Northern Massachusetts Inc, a 819-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
10
Licensed in
MA
In the registry since
2016
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

414 Haverhill St
Rowley, MA 01969-1919
Phone: (877) 379-5522
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 278377 (MA)

Record details

NPI number1598119802
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 22, 2016
Last updated in NPPESOctober 29, 2024
Certification dateOctober 29, 2024
Mailing address20 Dorothy E Lucey Dr, Newburyport, MA 01950-1781

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Mass General Brigham Medical Group Northern Massachusetts Inc — 819 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Rowley