Doctor profile · Federal record

Dr. Dennis Callen, M.D.

Family Medicine Physician (CMS: Family Practice) · Westport, MA

  • NPI 1790787752
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
831 Main RD
Westport, MA 027904315
(508) 636-0613
fax (508) 636-0616
Mailing address
Po Box 1029
Fall River, MA 027221029

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
June 17, 2013
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #48749
Medicaid
MA #2076667

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790787752. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,682
Distinct HCPCS
10
Medicare allowed
$120,188
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 508 378 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 449 361 $8
80053 Blood test, comprehensive group of blood chemicals 438 360 $10
80061 Blood test, lipids (cholesterol and triglycerides) 395 352 $13
82306 Vitamin d-3 level 376 342 $29
84443 Blood test, thyroid stimulating hormone (tsh) 374 335 $16
82607 Cyanocobalamin (vitamin b-12) level 349 314 $15
99214 Established patient office or other outpatient visit, 30-39 minutes 335 225 $130
83036 Hemoglobin a1c level 165 138 $9
G0103 Prostate cancer screening; prostate specific antigen test (psa) 120 120 $19

In context: peer comparison

Among 3 peers in this city , average services per provider: 122. This provider delivers 38× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,432
Patients
885
Total drug cost
$215,227
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 465 115 $8,256
Levothyroxine Sodium Generic 325 67 $4,788
Losartan Potassium Generic 318 76 $4,682
Amlodipine Besylate Generic 314 72 $2,139
Omeprazole Generic 313 84 $4,709
Lisinopril Generic 220 50 $1,871
Furosemide Generic 185 36 $1,020
Metoprolol Succinate Generic 178 49 $4,017
Simvastatin Generic 174 46 $1,687
Rosuvastatin Calcium Generic 162 44 $5,602

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Callen's medical specialty?
Dr. Dennis Callen practices Family Medicine Physician in Westport, MA.
Where does Dr. Dennis Callen practice?
Dr. Dennis Callen practices at 831 Main RD, Westport, MA 027904315. Office phone: 5086360613.
What is Dr. Dennis Callen's NPI?
Dr. Dennis Callen's National Provider Identifier (NPI) is 1790787752, issued by NPPES.
Does Dr. Dennis Callen accept Medicare assignment?
Yes. Dr. Dennis Callen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Callen commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.