Doctor profile · Federal record

Dr. Sonia de Alwis

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · New York, NY

  • NPI 1649539990
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
317 E 34Th St
New York, NY 100164974
(212) 726-7437
fax (212) 981-7243
Mailing address
110 S Bedford RD
Mount Kisco, NY 105493446

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
February 6, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
New York #281048

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649539990. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,243
Distinct HCPCS
10
Medicare allowed
$93,533
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 780 13 $24
36415 Insertion of needle into vein for collection of blood sample 266 189 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 259 157 $142
80053 Blood test, comprehensive group of blood chemicals 198 159 $10
84443 Blood test, thyroid stimulating hormone (tsh) 113 83 $16
82306 Vitamin d-3 level 96 81 $29
83036 Hemoglobin a1c level 91 78 $9
80061 Blood test, lipids (cholesterol and triglycerides) 84 67 $13
99213 Established patient office or other outpatient visit, 20-29 minutes 61 51 $98
82043 Urine microalbumin (protein) level 60 52 $6

In context: peer comparison

Among 92 peers in this city , average services per provider: 220. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$286
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $125.00
Otsuka America Pharmaceutical, Inc. 1 $118.72
Novo Nordisk Inc 2 $42.34

By nature of payment

Food and Beverage
$286

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
804
Patients
200
Total drug cost
$352,440
Drug Type Claims Patients Total cost
Synthroid (Levothyroxine Sodium) Brand 108 27 $8,517
Metformin Hcl Er (Metformin Hcl) Brand 93 31 $1,450
Metformin Hcl Generic 76 28 $838
Levothyroxine Sodium Generic 71 26 $1,304
Trulicity (Dulaglutide) Brand 61 12 $79,400
Ozempic (Semaglutide) Brand 57 14 $109,413
Jardiance (Empagliflozin) Brand 55 18 $54,949
Mounjaro (Tirzepatide) Brand 45 0 $51,457
Alendronate Sodium Generic 44 16 $694
Atorvastatin Calcium Generic 42 16 $575

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sonia de Alwis's medical specialty?
Dr. Sonia de Alwis practices Endocrinology, Diabetes & Metabolism Physician in New York, NY.
Where does Dr. Sonia de Alwis practice?
Dr. Sonia de Alwis practices at 317 E 34Th St, New York, NY 100164974. Office phone: 2127267437.
What is Dr. Sonia de Alwis's NPI?
Dr. Sonia de Alwis's National Provider Identifier (NPI) is 1649539990, issued by NPPES.
Does Dr. Sonia de Alwis accept Medicare assignment?
Yes. Dr. Sonia de Alwis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonia de Alwis commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.