Doctor profile · Federal record

Dr. Ann Williams, MD

Family Medicine Physician · Stamford, CT

  • NPI 1629241625
  • MIPS 79.1 / 100 · 2023
  • 18 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
32 Strawberry Hill CT, 4Th Floor, Suite 6
Stamford, CT 069022594
(203) 977-2566
fax (203) 977-2568

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
January 10, 2017
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Connecticut #046361

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629241625. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
692
Distinct HCPCS
9
Medicare allowed
$74,932
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 279 144 $136
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 217 47 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 48 38 $96
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 43 43 $192
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 34 34 $139
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 24 15 $113
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 19 17 $56
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 17 16 $16
90662 Influenza vaccine split virus, preservative free 11 11 $72

In context: peer comparison

Among 15 peers in this city , average services per provider: 87. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,558
Patients
425
Total drug cost
$20,081
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 316 94 $3,712
Levothyroxine Sodium Generic 174 43 $3,202
Amlodipine Besylate Generic 125 42 $1,304
Metformin Hcl Generic 96 26 $584
Trazodone Hcl Generic 96 25 $1,364
Pantoprazole Sodium Generic 89 19 $1,092
Escitalopram Oxalate Generic 88 18 $1,061
Losartan Potassium Generic 88 24 $1,153
Metoprolol Succinate Generic 77 22 $1,353
Alprazolam Generic 76 24 $860

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Williams's medical specialty?
Dr. Ann Williams practices Family Medicine Physician in Stamford, CT.
Where does Dr. Ann Williams practice?
Dr. Ann Williams practices at 32 Strawberry Hill CT, Stamford, CT 069022594. Office phone: 2039772566.
What is Dr. Ann Williams's NPI?
Dr. Ann Williams's National Provider Identifier (NPI) is 1629241625, issued by NPPES.
What procedures does Dr. Ann Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.