Doctor profile · Federal record

Dr. John Wenceslao, MD

Internal Medicine Physician (CMS: Internal Medicine) · Bloomfield, CT

  • NPI 1740203868
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 Cottage Grove RD Ste D110
Bloomfield, CT 060023085
(860) 530-2014
Mailing address
1000 Asylum Ave, Suite 3218
Hartford, CT 061051770

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 21, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #035462
Medicaid
CT #01354620

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740203868. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
803
Distinct HCPCS
10
Medicare allowed
$72,074
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 220 98 $134
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 102 44 $111
82962 Blood glucose (sugar) test performed by hand-held instrument 96 33 $3
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 68 63 $15
83036 Hemoglobin a1c level 66 34 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 61 61 $136
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 53 49 $189
81002 Urinalysis, manual test 37 36 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 36 32 $96
99215 Established patient office or other outpatient visit, 40-54 minutes 30 28 $188

In context: peer comparison

Among 10 peers in Bloomfield Internal Medicine Physician, average services per provider: 61. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,917
Transactions
166
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 40 $670.53
AstraZeneca Pharmaceuticals Lp 18 $427.02
GlaxoSmithKline, LLC. 20 $341.60
Astellas Pharma US INC 13 $334.40
Novo Nordisk INC 15 $289.69
Janssen Pharmaceuticals, INC 11 $191.10
Lilly USA, LLC 7 $162.20
E.R. Squibb & Sons, L.L.C. 8 $152.00
Pfizer INC. 7 $143.10
Azurity Pharmaceuticals, INC. 7 $138.35
Novartis Pharmaceuticals Corporation 5 $108.22
Amgen INC. 4 $81.92
Bayer Healthcare Pharmaceuticals INC. 4 $81.33
Boehringer Ingelheim Pharmaceuticals, INC. 3 $75.63
Esperion Therapeutics, INC. 4 $71.46

By nature of payment

Food and Beverage
$3,838
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,125
Patients
742
Total drug cost
$115,130
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 484 130 $7,192
Amlodipine Besylate Generic 428 119 $3,555
Levothyroxine Sodium Generic 308 63 $5,332
Furosemide Generic 199 29 $1,284
Gabapentin Generic 193 38 $4,170
Metoprolol Succinate Generic 192 49 $3,580
Metformin Hcl Generic 183 51 $1,891
Pantoprazole Sodium Generic 180 48 $2,871
Lisinopril Generic 158 35 $1,780
Mirtazapine Generic 148 28 $4,521

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Wenceslao's medical specialty?
Dr. John Wenceslao practices Internal Medicine Physician in Bloomfield, CT.
Where does Dr. John Wenceslao practice?
Dr. John Wenceslao practices at 701 Cottage Grove RD Ste D110, Bloomfield, CT 060023085. Office phone: 8605302014.
What is Dr. John Wenceslao's NPI?
Dr. John Wenceslao's National Provider Identifier (NPI) is 1740203868, issued by NPPES.
Does Dr. John Wenceslao accept Medicare assignment?
Yes. Dr. John Wenceslao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Wenceslao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.