Doctor profile · Federal record

Dr. Sashi Dayaratna, MD

Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Internal Medicine Physician · Fairfax, VA

  • NPI 1144725136
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2700 Prosperity Ave Ste 270
Fairfax, VA 220314321
(703) 698-2431
fax (571) 665-6878
Mailing address
Po Box 37174
Baltimore, MD 212973174

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
November 3, 2022
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Virginia #0101275790

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144725136. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
866
Distinct HCPCS
10
Medicare allowed
$120,230
HCPCS Description Services Patients Avg allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 413 118 $140
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 163 83 $204
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 57 57 $142
90662 Influenza vaccine split virus, preservative free 43 42 $72
G0008 Administration of influenza virus vaccine 43 42 $35
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 38 32 $59
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 33 33 $223
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 24 18 $84
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 22 11 $47
99442 Telephone medical discussion with physician, 11-20 minutes 17 16 $102

In context: peer comparison

Among 2 peers in Fairfax Geriatric Medicine (Internal Medicine) Physician, average services per provider: 118. This provider delivers 7.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
646
Patients
229
Total drug cost
$56,969
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 78 20 $1,994
Amlodipine Besylate Generic 77 29 $879
Trazodone Hcl Generic 69 18 $972
Atorvastatin Calcium Generic 57 22 $1,251
Gabapentin Generic 50 14 $1,320
Levothyroxine Sodium Generic 47 15 $655
Eliquis (Apixaban) Brand 45 13 $40,937
Mirtazapine Generic 36 13 $1,962
Diclofenac Sodium Generic 34 14 $3,128
Losartan Potassium Generic 32 13 $649

Frequently asked questions

Auto-generated from federal data
What is Dr. Sashi Dayaratna's medical specialty?
Dr. Sashi Dayaratna practices Geriatric Medicine (Internal Medicine) Physician in Fairfax, VA.
Where does Dr. Sashi Dayaratna practice?
Dr. Sashi Dayaratna practices at 2700 Prosperity Ave Ste 270, Fairfax, VA 220314321. Office phone: 7036982431.
What is Dr. Sashi Dayaratna's NPI?
Dr. Sashi Dayaratna's National Provider Identifier (NPI) is 1144725136, issued by NPPES.
Does Dr. Sashi Dayaratna accept Medicare assignment?
Yes. Dr. Sashi Dayaratna accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sashi Dayaratna commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Residence visit for established patient with high level of medical decision making (HCPCS 99350); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.