Doctor profile · Federal record

Dr. Andrew Killen, MD

Family Medicine Physician (CMS: Family Practice) · Stamford, CT

  • NPI 1528231552
  • Accepts Medicare
  • MIPS 89.7 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
90 Morgan St Ste 108
Stamford, CT 069055436
(203) 359-9997
Mailing address
2660 Main St 216
Bridgeport, CT 066065301

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
September 14, 2015
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Connecticut #046395

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528231552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
971
Distinct HCPCS
10
Medicare allowed
$60,192
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 375 233 $93
97811 Acupuncture, each additional 15 minutes 252 14 $30
97810 Acupuncture, initial 15 minutes 126 14 $40
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 49 45 $16
99214 Established patient office or other outpatient visit, 30-39 minutes 40 39 $127
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 30 30 $50
87804 Detection test by immunoassay with direct visual observation for influenza virus 26 13 $16
81002 Urinalysis, manual test 22 21 $3
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 22 22 $41
99284 Emergency department visit with moderate level of medical decision making 18 18 $126

In context: peer comparison

Among 15 peers in this city , average services per provider: 87. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
498
Patients
490
Total drug cost
$3,204
Drug Type Claims Patients Total cost
Prednisone Generic 98 98 $119
Naproxen Generic 88 87 $212
Azithromycin Generic 67 65 $304
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 39 37 $595
Triamcinolone Acetonide Generic 29 29 $390
Cephalexin Generic 23 23 $125
Fluticasone Propionate Generic 22 22 $203
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 20 18 $450
Penicillin V Potassium Generic 20 20 $114
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 19 19 $119

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Killen's medical specialty?
Dr. Andrew Killen practices Family Medicine Physician in Stamford, CT.
Where does Dr. Andrew Killen practice?
Dr. Andrew Killen practices at 90 Morgan St Ste 108, Stamford, CT 069055436. Office phone: 2033599997.
What is Dr. Andrew Killen's NPI?
Dr. Andrew Killen's National Provider Identifier (NPI) is 1528231552, issued by NPPES.
Does Dr. Andrew Killen accept Medicare assignment?
Yes. Dr. Andrew Killen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Killen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Acupuncture (HCPCS 97811); Acupuncture (HCPCS 97810). Source: CMS Medicare Physician & Other Practitioners file.