Doctor profile · Federal record

Dr. Anna Resisi, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Greenwich, CT

  • NPI 1598228397
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
500 W Putnam Ave Ste 110
Greenwich, CT 068306079
(203) 422-7250
Additional location
1000 10Th Ave Fl 3
New York, NY 100191147
(212) 259-6777
Additional location
1111 Amsterdam Ave
New York, NY 100251716
(212) 523-4000
Show 1 more location
Additional location
2109 Broadway
New York, NY 100232138
(212) 523-8672
fax (212) 492-5505

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
March 19, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Connecticut #80155 · New York #315551

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598228397. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
830
Distinct HCPCS
10
Medicare allowed
$73,139
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 204 167 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 169 122 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 159 110 $103
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 82 82 $146
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 37 36 $17
G0008 Administration of influenza virus vaccine 32 32 $35
G0009 Administration of pneumococcal vaccine 31 31 $35
90662 Influenza vaccine split virus, preservative free 29 29 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 26 26 $281
90480 Admn sarscov2 vacc 1 dose 24 24 $47

In context: peer comparison

Among 19 peers in Greenwich Internal Medicine Physician, average services per provider: 94. This provider delivers 8.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,018
Patients
397
Total drug cost
$77,321
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 204 80 $2,736
Amlodipine Besylate Generic 118 47 $933
Levothyroxine Sodium Generic 84 34 $1,323
Gabapentin Generic 71 22 $1,472
Losartan Potassium Generic 71 31 $1,036
Lisinopril Generic 60 27 $556
Metformin Hcl Generic 60 28 $536
Omeprazole Generic 55 21 $887
Metoprolol Succinate Generic 52 20 $1,015
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 46 18 $1,342

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Resisi's medical specialty?
Dr. Anna Resisi practices Internal Medicine Physician in Greenwich, CT.
Where does Dr. Anna Resisi practice?
Dr. Anna Resisi practices at 500 W Putnam Ave Ste 110, Greenwich, CT 068306079. Office phone: 2034227250.
What is Dr. Anna Resisi's NPI?
Dr. Anna Resisi's National Provider Identifier (NPI) is 1598228397, issued by NPPES.
Does Dr. Anna Resisi accept Medicare assignment?
Yes. Dr. Anna Resisi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Resisi commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.