Doctor profile · Federal record

Dr. Annastasia Fernandes, N.P.

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Easthampton, MA

  • NPI 1083653703
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
238 Northampton St
Easthampton, MA 010271046
(413) 529-9300
fax (866) 644-0870
Additional location
31 Hall Dr Ste 1
Amherst, MA 010022754
(413) 256-8561
fax (866) 644-0869
Additional location
329 Conway St
Greenfield, MA 013011521
(413) 774-6301
fax (866) 644-0871
Show 1 more location
Additional location
70 Main St
Florence, MA 010621487
(413) 586-8400
fax (866) 644-0872

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 28, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Massachusetts #192030

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083653703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
358
Distinct HCPCS
5
Medicare allowed
$42,675
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 234 90 $109
99215 Established patient office or other outpatient visit, 40-54 minutes 55 35 $154
90792 Psychiatric diagnostic evaluation with medical services 39 39 $168
99213 Established patient office or other outpatient visit, 20-29 minutes 17 16 $79
90833 Psychotherapy with evaluation and management visit, 30 minutes 13 11 $60

In context: peer comparison

Among 1 peers in Easthampton Psychiatric/Mental Health Nurse Practitioner, average services per provider: 71. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$115
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Vanda Pharmaceuticals INC. 1 $114.62

By nature of payment

Food and Beverage
$115

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,003
Patients
213
Total drug cost
$32,739
Drug Type Claims Patients Total cost
Clonazepam Generic 155 24 $1,537
Duloxetine Hcl Generic 87 22 $2,733
Gabapentin Generic 84 15 $1,449
Bupropion Hcl SR (Bupropion Hcl) Brand 83 22 $2,297
Aripiprazole Generic 77 19 $9,694
Lorazepam Generic 68 19 $444
Trazodone Hcl Generic 61 20 $1,946
Sertraline Hcl Generic 58 18 $1,502
Olanzapine Generic 56 0 $2,798
Zolpidem Tartrate Generic 51 0 $670

Frequently asked questions

Auto-generated from federal data
What is Dr. Annastasia Fernandes's medical specialty?
Dr. Annastasia Fernandes practices Psychiatric/Mental Health Nurse Practitioner in Easthampton, MA.
Where does Dr. Annastasia Fernandes practice?
Dr. Annastasia Fernandes practices at 238 Northampton St, Easthampton, MA 010271046. Office phone: 4135299300.
What is Dr. Annastasia Fernandes's NPI?
Dr. Annastasia Fernandes's National Provider Identifier (NPI) is 1083653703, issued by NPPES.
Does Dr. Annastasia Fernandes accept Medicare assignment?
Yes. Dr. Annastasia Fernandes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Annastasia Fernandes 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 99215); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.