Doctor profile · Federal record

Dr. Sayaka Larsen

Family Nurse Practitioner (CMS: Nurse Practitioner) · Putnam Valley, NY

  • NPI 1184217283
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
356 Dennytown RD
Putnam Valley, NY 105791423
(917) 543-4487

Credentials & registration

NPPES · NUCC
NPI registered
February 2021 — 5 yrs on file
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New York #F345579

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184217283. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
255
Distinct HCPCS
6
Medicare allowed
$15,790
HCPCS Description Services Patients Avg allowed
93280 Programming of dual lead pacemaker system 114 105 $33
99214 Established patient office or other outpatient visit, 30-39 minutes 81 74 $118
93284 Programming of multiple lead implantable defibrillator system 17 14 $55
93291 Evaluation of cardiac rhythm monitor system 17 16 $17
93279 Programming of single lead pacemaker system 13 12 $58
93282 Programming of single lead implantable defibrillator system 13 13 $37

In context: peer comparison

Among 3 peers in this city , average services per provider: 44. This provider delivers 5.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
11
Total drug cost
$12,922
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 19 11 $293
Eliquis (Apixaban) Brand 14 0 $12,629

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sayaka Larsen's medical specialty?
Dr. Sayaka Larsen practices Family Nurse Practitioner in Putnam Valley, NY.
Where does Dr. Sayaka Larsen practice?
Dr. Sayaka Larsen practices at 356 Dennytown RD, Putnam Valley, NY 105791423. Office phone: 9175434487.
What is Dr. Sayaka Larsen's NPI?
Dr. Sayaka Larsen's National Provider Identifier (NPI) is 1184217283, issued by NPPES.
Does Dr. Sayaka Larsen accept Medicare assignment?
Yes. Dr. Sayaka Larsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sayaka Larsen commonly perform?
Top Medicare-reported procedures in 2023: Programming of dual lead pacemaker system (HCPCS 93280); Established patient office or other outpatient visit (HCPCS 99214); Programming of multiple lead implantable defibrillator system (HCPCS 93284). Source: CMS Medicare Physician & Other Practitioners file.