Dorothy F. Semonian, NP
Family Nurse Practitioner · Chelmsford, MA
Dorothy F. Semonian, NP is a family nurse practitioner with a practice address in Chelmsford, Massachusetts, and NPI 1568497105, issued on Jul 12, 2006. Check the license (Massachusetts 192921, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dorothy F. Semonian
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 192921 MA
Self-reported in NPPES; status is on the state search - Practice location
- 20 Research Place, Chelmsford, MA 01863
- Phone
- (978) 446-9850
- Enumerated
- Jul 12, 2006
- Record last updated
- Nov 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (855) 283-4714
- Medicare enrollment
- Enrolled (PECOS I20070321000223); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Verify Dorothy F. Semonian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 192921Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average family nurse practitioner in 2024
4,572 Medicare Part D claims for 582 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 79 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium302 claims
- Losartan Potassium265 claims
- Atorvastatin Calcium222 claims
- Levothyroxine Sodium214 claims
- Amlodipine Besylate201 claims
- Omeprazole147 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: $195.44
2 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
Bills Medicare through one group practice
- Stony Brook Primary Care LLCNorth Chelmsford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dorothy F. Semonian among 4,724 family nurse practitioner records in Massachusetts
Dorothy F. Semonian, NP is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1997 · median 2019 among the 2,704 with a school on file
- Record last updated2011 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 family nurse practitioner records list a practice address in Chelmsford
They are 39 of the 937 NPPES records with a practice address in Chelmsford, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Chelmsford → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Judith Bain, NPN Chelmsford, MA 018631609952035
- Melissa Barber, NPNorth Chelmsford, MA 018631659772911
- Jayme Cerullo, NPN Chelmsford, MA 018631689711871
- Rylee Coutu, FNP-BCNorth Chelmsford, MA 018631912646118
- Lindsey Cucchiara, MSN RN FNP-CNorth Chelmsford, MA 018631669104204
- Carol Gagne, NPN Chelmsford, MA 018631720189384
- Allegra Montecalvo, APRN, FNPNorth Chelmsford, MA 018631528795002
- Annet Naiga, FNP-CNorth Chelmsford, MA 018631154209302
Common questions
What is Dorothy F. Semonian, NP's NPI number?
Dorothy F. Semonian, NP's National Provider Identifier (NPI) is 1568497105, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dorothy F. Semonian, NP located?
The NPPES record lists a practice address at 20 Research Place, Chelmsford, MA, 01863. Phone: (978) 446-9850. Providers update this record themselves, so call before visiting.
How can I verify Dorothy F. Semonian, NP's license?
NPPES lists Massachusetts license number 192921, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Dorothy F. Semonian, NP prescribe under Medicare Part D?
In 2024, Dorothy F. Semonian, NP had 4,572 Medicare Part D claims for 582 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.