Doctor profile · Federal record
Dr. Alyssa Duperry, APRN
Family Nurse Practitioner (CMS: Nurse Practitioner) · Old Saybrook, CT
- NPI 1245994284
- Accepts Medicare
- MIPS 90.8 / 100 · 2023
- 5 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
154 Main St
Old Saybrook, CT 064752373
(860) 358-5120
Credentials & registration
- NPI registered
- October 2021 — 5 yrs on file
- Profile last updated
- November 3, 2025
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Connecticut #10017
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245994284. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
281
Distinct HCPCS
8
Medicare allowed
$26,571
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 61 | 51 | $80 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 61 | 40 | $158 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 46 | 37 | $115 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 41 | 41 | $115 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 23 | 23 | $17 | |
36415 |
Insertion of needle into vein for collection of blood sample | 20 | 16 | $8 | |
G0008 |
Administration of influenza virus vaccine | 15 | 15 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 14 | 14 | $72 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 48. This provider delivers 5.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,154
Patients
331
Total drug cost
$14,714
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 151 | 33 | $2,004 |
| Atorvastatin Calcium | Generic | 136 | 40 | $1,807 |
| Rosuvastatin Calcium | Generic | 134 | 47 | $2,257 |
| Lisinopril | Generic | 133 | 33 | $1,002 |
| Amlodipine Besylate | Generic | 117 | 37 | $866 |
| Metformin Hcl | Generic | 71 | 18 | $443 |
| Losartan Potassium | Generic | 58 | 12 | $626 |
| Sertraline Hcl | Generic | 50 | 12 | $323 |
| Fluticasone Propionate | Generic | 46 | 19 | $814 |
| Tamsulosin Hcl | Generic | 46 | 12 | $725 |
Frequently asked questions
What is Dr. Alyssa Duperry's medical specialty?
Dr. Alyssa Duperry practices Family Nurse Practitioner in Old Saybrook, CT.
Where does Dr. Alyssa Duperry practice?
Dr. Alyssa Duperry practices at 154 Main St, Old Saybrook, CT 064752373. Office phone: 8603585120.
What is Dr. Alyssa Duperry's NPI?
Dr. Alyssa Duperry's National Provider Identifier (NPI) is 1245994284, issued by NPPES.
Does Dr. Alyssa Duperry accept Medicare assignment?
Yes. Dr. Alyssa Duperry accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Duperry commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.