Doctor profile · Federal record
Dr. Dorothy Semonian, NP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Chelmsford, MA
- NPI 1568497105
- Accepts Medicare
- 29 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20 Research Place, Suite 130
Chelmsford, MA 018632454
(978) 446-9850
fax (855) 283-4714
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- November 22, 2011
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Massachusetts #192921
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568497105. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
258
Distinct HCPCS
6
Medicare allowed
$28,230
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 92 | 73 | $120 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 72 | 61 | $85 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 40 | 40 | $121 | |
G0008 |
Administration of influenza virus vaccine | 19 | 19 | $31 | |
90662 |
Influenza vaccine split virus, preservative free | 18 | 18 | $72 | |
99496 |
Transitional care management services for problem of high complexity | 17 | 16 | $260 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 229. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$195
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | 1 | $124.99 | |
| AstraZeneca Pharmaceuticals LP | 1 | $70.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,887
Patients
610
Total drug cost
$98,633
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 254 | 80 | $5,274 |
| Rosuvastatin Calcium | Generic | 226 | 87 | $10,866 |
| Amlodipine Besylate | Generic | 213 | 55 | $2,214 |
| Atorvastatin Calcium | Generic | 171 | 58 | $4,317 |
| Levothyroxine Sodium | Generic | 153 | 55 | $2,665 |
| Lisinopril | Generic | 124 | 35 | $1,574 |
| Omeprazole | Generic | 109 | 39 | $2,610 |
| Sertraline Hcl | Generic | 97 | 28 | $1,743 |
| Atenolol | Generic | 94 | 22 | $946 |
| Hydrochlorothiazide | Generic | 89 | 32 | $372 |
Frequently asked questions
What is Dr. Dorothy Semonian's medical specialty?
Dr. Dorothy Semonian practices Family Nurse Practitioner in Chelmsford, MA.
Where does Dr. Dorothy Semonian practice?
Dr. Dorothy Semonian practices at 20 Research Place, Chelmsford, MA 018632454. Office phone: 9784469850.
What is Dr. Dorothy Semonian's NPI?
Dr. Dorothy Semonian's National Provider Identifier (NPI) is 1568497105, issued by NPPES.
Does Dr. Dorothy Semonian accept Medicare assignment?
Yes. Dr. Dorothy Semonian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dorothy Semonian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.