Doctor profile · Federal record

Dr. Jeffrey Pellenberg, MD

Internal Medicine Physician (CMS: Internal Medicine) · New Haven, CT

  • NPI 1285640284
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Columbus Ave
New Haven, CT 065191233
(203) 503-3010
fax (203) 503-3224

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 18, 2015
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #031548
Medicaid
CT #004235900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285640284. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
27
Distinct HCPCS
1
Medicare allowed
$249
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 27 17 $9

In context: peer comparison

Among 66 peers in this city , average services per provider: 73. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,823
Patients
1,018
Total drug cost
$84,093
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 507 151 $9,103
Amlodipine Besylate Generic 438 129 $5,019
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 362 87 $10,503
Oxycodone Hcl Generic 348 31 $18,658
Ibuprofen Generic 255 79 $3,030
Pantoprazole Sodium Generic 238 70 $6,532
Tramadol Hcl Generic 225 30 $3,527
Gabapentin Generic 207 57 $7,483
Diclofenac Sodium Generic 204 62 $5,763
Losartan Potassium Generic 199 67 $3,480

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Pellenberg's medical specialty?
Dr. Jeffrey Pellenberg practices Internal Medicine Physician in New Haven, CT.
Where does Dr. Jeffrey Pellenberg practice?
Dr. Jeffrey Pellenberg practices at 400 Columbus Ave, New Haven, CT 065191233. Office phone: 2035033010.
What is Dr. Jeffrey Pellenberg's NPI?
Dr. Jeffrey Pellenberg's National Provider Identifier (NPI) is 1285640284, issued by NPPES.
Does Dr. Jeffrey Pellenberg accept Medicare assignment?
Yes. Dr. Jeffrey Pellenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Pellenberg commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.