Heather Mahoney O'Sullivan, NP
Gerontology Nurse Practitioner · Waltham, MA
Heather Mahoney O'Sullivan, NP is a gerontology nurse practitioner with a practice address in Waltham, Massachusetts, and NPI 1700939907, issued on Jan 19, 2007. Check the license (Massachusetts 211831, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Mahoney O'Sullivan
- Credential
- NP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 211831 MA
Self-reported in NPPES; status is on the state search - Practice location
- 950 Winter St, Waltham, MA 02451
- Phone
- (781) 472-8491
- Enumerated
- Jan 19, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 379 in Massachusetts → Look up another NPI →
Also registered at 950 Winter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francisca Adams, MSN, APRN, BCGerontology Nurse Practitioner1477603819
- Kerry Assarian, NPAdult Health Nurse Practitioner1457499923
- Marina Borocov, NPGerontology Nurse Practitioner1326372483
- Anne Marie Bourque, NPNurse Practitioner1871544981
- Karin Broden, NPAdult Health Nurse Practitioner1134141427
- Florence Calore, R.N., MS. NPGerontology Nurse Practitioner1942367552
Verify Heather Mahoney O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 211831Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,946.99
6 payments; by number, the most common kind was travel and lodging; the largest payer was Current Health Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Heather Mahoney O'Sullivan among 379 gerontology nurse practitioner records in Massachusetts
Heather Mahoney O'Sullivan, NP is one of 379 gerontology nurse practitioner records with a practice address in Massachusetts. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 73% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 gerontology nurse practitioner records list a practice address in Waltham
They are 33 of the 2,111 NPPES records with a practice address in Waltham, and 379 gerontology nurse practitioner records in Massachusetts.
All 379 in Massachusetts → Every provider in Waltham → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Francisca Adams, MSN, APRN, BCWaltham, MA 024511477603819
- Mary Bannon, NPWaltham, MA 024511043392590
- Florence Calore, R.N., MS. NPWaltham, MA 024511942367552
- Cheryl Hatch, NPWaltham, MA 024511245381342
- Linda Martin, APRN, BCWaltham, MA 024511346399193
- Mary Miller, ANP,GNPWaltham, MA 024511790834166
- Susan Mullaney, NPWaltham, MA 024511114081247
- Linda Satkowski, NPWaltham, MA 024511043360837
Common questions
What is Heather Mahoney O'Sullivan, NP's NPI number?
Heather Mahoney O'Sullivan, NP's National Provider Identifier (NPI) is 1700939907, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Heather Mahoney O'Sullivan, NP located?
The NPPES record lists a practice address at 950 Winter St, Waltham, MA, 02451. Phone: (781) 472-8491. Providers update this record themselves, so call before visiting.
How can I verify Heather Mahoney O'Sullivan, NP's license?
NPPES lists Massachusetts license number 211831, 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.