Heather Gustafson, PA-C
Physician Assistant · Westborough, MA
Heather Gustafson, PA-C is a physician assistant with a practice address in Westborough, Massachusetts, and NPI 1538541883, issued on Jun 23, 2015. Check the license (Massachusetts PA5421, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Gustafson
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA5421 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Computer Dr Ste 301, Westborough, MA 01581
- Phone
- (617) 420-5316
- Enumerated
- Jun 23, 2015
- Record last updated
- Aug 13, 2025
- Medicaid ID
- 110151010A MA
- Medicare enrollment
- Enrolled (PECOS I20160406002157); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 1400 Computer Dr Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Heather Gustafson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA5421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Milford Regional Physician Group, Inc.Milford, MA
- Umass Memorial Medical Group IncMilford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Gustafson among 4,713 physician assistant records in Massachusetts
Heather Gustafson, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 33% of them.
- NPI issued2015 · 33% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2019 among the 3,217 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 physician assistant records list a practice address in Westborough
They are 13 of the 565 NPPES records with a practice address in Westborough, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Westborough → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kate Aiello, PA-CWestborough, MA 015811689303323
- Daylin Amesimeku, PA-CWestborough, MA 015811093490856
- Leslie BuffoWestborough, MA 015811750636130
- Jarrett Burr, PA-CWestborough, MA 015811104150374
- Natalie Dolan, PAWestborough, MA 015811992206205
- Erin Friend, FNP-BCWestborough, MA 015811346970092
- Kayley Gibson, PA-CWestborough, MA 015811447847769
- Farah HakimWestborough, MA 015811356798227
Common questions
What is Heather Gustafson, PA-C's NPI number?
Heather Gustafson, PA-C's National Provider Identifier (NPI) is 1538541883, issued on Jun 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Heather Gustafson, PA-C located?
The NPPES record lists a practice address at 1400 Computer Dr Ste 301, Westborough, MA, 01581. Phone: (617) 420-5316. Providers update this record themselves, so call before visiting.
How can I verify Heather Gustafson, PA-C's license?
NPPES lists Massachusetts license number PA5421, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.