Doctor profile · Federal record

Dr. Cassandra Constantino, MD

Internal Medicine Physician (CMS: Internal Medicine) · Endocrinology, Diabetes & Metabolism Physician · Bristol, RI

  • NPI 1598766537
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1180 Hope St.
Bristol, RI 028091126
(401) 253-8900
fax (401) 253-3131

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
April 17, 2008
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Rhode Island #MD9173
Medicaid
RI #7005500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598766537. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
437
Distinct HCPCS
7
Medicare allowed
$29,100
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 138 106 $96
99213 Established patient office or other outpatient visit, 20-29 minutes 137 115 $76
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 76 76 $47
G0008 Administration of influenza virus vaccine 33 33 $31
90662 Influenza vaccine split virus, preservative free 28 28 $0
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 14 14 $15
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $60

In context: peer comparison

Among 9 peers in Bristol Internal Medicine Physician, average services per provider: 68. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$91
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 1 $90.84

By nature of payment

Food and Beverage
$91

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,051
Patients
1,286
Total drug cost
$194,962
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 970 245 $16,985
Lisinopril Generic 716 178 $9,149
Amlodipine Besylate Generic 702 176 $7,763
Levothyroxine Sodium Generic 408 99 $8,437
Hydrochlorothiazide Generic 323 85 $950
Metformin Hcl Generic 307 81 $3,863
Omeprazole Generic 294 78 $5,172
Losartan Potassium Generic 234 63 $3,899
Sertraline Hcl Generic 216 60 $2,541
Meloxicam Generic 164 58 $771

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Constantino's medical specialty?
Dr. Cassandra Constantino practices Internal Medicine Physician in Bristol, RI.
Where does Dr. Cassandra Constantino practice?
Dr. Cassandra Constantino practices at 1180 Hope St., Bristol, RI 028091126. Office phone: 4012538900.
What is Dr. Cassandra Constantino's NPI?
Dr. Cassandra Constantino's National Provider Identifier (NPI) is 1598766537, issued by NPPES.
Does Dr. Cassandra Constantino accept Medicare assignment?
Yes. Dr. Cassandra Constantino accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Constantino commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.