Doctor profile · Federal record

Dr. Maria Cecilia Asnis, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Stamford, CT

  • NPI 1437475688
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
292 Long Ridge RD, Suite 206
Stamford, CT 069021627
(203) 276-7213
fax (203) 276-4975

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
December 10, 2015
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Connecticut #051849 · New York #257033

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437475688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
512
Distinct HCPCS
7
Medicare allowed
$63,964
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 345 215 $136
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 49 25 $36
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 33 29 $25
99205 New patient office or other outpatient visit, 60-74 minutes 29 29 $226
99215 Established patient office or other outpatient visit, 40-54 minutes 27 23 $191
96372 Injection of drug or substance under skin or into muscle 16 11 $15
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $178

In context: peer comparison

Among 7 peers in Stamford Endocrinology, Diabetes & Metabolism Physician, average services per provider: 761. This provider delivers 0.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,841
Patients
499
Total drug cost
$1,252,308
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 359 110 $511,324
Metformin Hcl ER (Metformin Hcl) Brand 245 66 $3,889
Trulicity (Dulaglutide) Brand 199 51 $224,772
Jardiance (Empagliflozin) Brand 186 42 $187,823
Levothyroxine Sodium Generic 156 48 $2,854
Atorvastatin Calcium Generic 131 37 $1,307
Metformin Hcl Generic 95 30 $1,051
Rybelsus (Semaglutide) Brand 85 22 $105,454
Tresiba Flextouch U-200 (Insulin Degludec) Brand 68 17 $64,329
Mounjaro (Tirzepatide) Brand 64 19 $95,703

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Cecilia Asnis's medical specialty?
Dr. Maria Cecilia Asnis practices Endocrinology, Diabetes & Metabolism Physician in Stamford, CT.
Where does Dr. Maria Cecilia Asnis practice?
Dr. Maria Cecilia Asnis practices at 292 Long Ridge RD, Stamford, CT 069021627. Office phone: 2032767213.
What is Dr. Maria Cecilia Asnis's NPI?
Dr. Maria Cecilia Asnis's National Provider Identifier (NPI) is 1437475688, issued by NPPES.
Does Dr. Maria Cecilia Asnis accept Medicare assignment?
Yes. Dr. Maria Cecilia Asnis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Cecilia Asnis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211). Source: CMS Medicare Physician & Other Practitioners file.