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- 154 Main St, Old Saybrook, CT 06475
About Alyssa Duperry
Alyssa A. Duperry, APRN is a nurse practitioner — family practicing in Old Saybrook, CT. According to Medicare claims data, Alyssa cared for 375 Medicare patients across 422 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. This provider record is associated with NPI 1245994284.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (860) 358-5120
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
154 MAIN ST
Old Saybrook, CT 06475
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
- Medicare annual wellness visit
- Travel Vaccines for Kids
- Well-child visit
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
- Allergy testing
Diagnostic tests
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
422 services · 375 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
24 | Less often than most peers in Nurse Practitioner, Family |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
14 | Less often than most peers in Nurse Practitioner, Family |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
12 | Less often than most peers in Nurse Practitioner, Family |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
12 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
104 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
69 | As often as other peers in Nurse Practitioner, Family |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
63 | More often than most peers in Nurse Practitioner, Family |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
50 | More often than most peers in Nurse Practitioner, Family |
| Automated urinalysis test | Lab test | 81003 |
28 | As often as other peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
20 | Less often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other nurse practitioners in Old Saybrook 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CT who bill this service to Medicare most often.
Common questions
What is Alyssa A. Duperry's specialty?
Alyssa A. Duperry is a nurse practitioner in Old Saybrook, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Alyssa A. Duperry?
Alyssa A. Duperry is listed at 154 Main St, Old Saybrook, CT 06475. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Alyssa A. Duperry?
The number on file is (860) 358-5120. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Alyssa A. Duperry's NPI number?
Alyssa A. Duperry's National Provider Identifier is 1245994284. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Alyssa A. Duperry's education?
Alyssa A. Duperry attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Alyssa A. Duperry been practicing?
Alyssa A. Duperry has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What is Alyssa A. Duperry known for?
According to Medicare billing data, Alyssa A. Duperry performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Alyssa A. Duperry confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alyssa A. Duperry. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.