Doctor profile · Federal record

Dr. Maria Eden Gianan, NP

Adult Health Nurse Practitioner (CMS: Certified Clinical Nurse Specialist (CNS)) · Dedham, MA

  • NPI 1366492662
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Waldo St
Dedham, MA 017301114
(781) 724-7348
fax (781) 329-0306
Mailing address
515 Providence Hwy
Dedham, MA 020266811

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 22, 2017
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Massachusetts #175294

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366492662. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
433
Distinct HCPCS
3
Medicare allowed
$40,602
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 392 104 $92
90833 Psychotherapy with evaluation and management visit, 30 minutes 21 16 $57
90792 Psychiatric diagnostic evaluation with medical services 20 20 $169

In context: peer comparison

Among 4 peers in Dedham Adult Health Nurse Practitioner, average services per provider: 126. This provider delivers 3.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$729
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 4 $334.12
Otsuka America Pharmaceutical, INC. 4 $137.08
Vanda Pharmaceuticals INC. 1 $117.87
Axsome Therapeutics, INC. 1 $105.97
Neurocrine Biosciences, INC. 1 $33.48

By nature of payment

Food and Beverage
$729

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
989
Patients
166
Total drug cost
$27,333
Drug Type Claims Patients Total cost
Lamotrigine Generic 117 33 $2,966
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 112 13 $3,101
Trazodone Hcl Generic 106 29 $1,958
Lorazepam Generic 93 13 $1,166
Sertraline Hcl Generic 87 23 $1,415
Gabapentin Generic 70 0 $1,008
Bupropion Xl (Bupropion Hcl) Brand 58 15 $2,614
Fluoxetine Hcl Generic 57 14 $568
Clonazepam Generic 49 0 $510
Quetiapine Fumarate Generic 48 0 $1,674

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Eden Gianan's medical specialty?
Dr. Maria Eden Gianan practices Adult Health Nurse Practitioner in Dedham, MA.
Where does Dr. Maria Eden Gianan practice?
Dr. Maria Eden Gianan practices at 24 Waldo St, Dedham, MA 017301114. Office phone: 7817247348.
What is Dr. Maria Eden Gianan's NPI?
Dr. Maria Eden Gianan's National Provider Identifier (NPI) is 1366492662, issued by NPPES.
Does Dr. Maria Eden Gianan accept Medicare assignment?
Yes. Dr. Maria Eden Gianan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Eden Gianan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.