Doctor profile · Federal record

Dr. John Tsongalis, M.D.

Pediatrics Physician (CMS: Pediatric Medicine) · Internal Medicine Physician · Northampton, MA

  • NPI 1740494343
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
76 Carlon Dr Ste B
Northampton, MA 010602377
(413) 584-2178
fax (413) 923-9312

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
September 8, 2011
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208000000X — NUCC code
State license (1)
Massachusetts #235553

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740494343. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,537
Distinct HCPCS
10
Medicare allowed
$173,908
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 539 302 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 360 235 $92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 209 209 $132
G0008 Administration of influenza virus vaccine 83 83 $34
90662 Influenza vaccine split virus, preservative free 72 72 $71
99443 Telephone medical discussion with physician, 21-30 minutes 58 49 $130
G0009 Administration of pneumococcal vaccine 43 43 $33
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 41 41 $275
99212 Established patient office or other outpatient visit, 10-19 minutes 33 30 $58
99215 Established patient office or other outpatient visit, 40-54 minutes 25 23 $183

In context: peer comparison

Among 1 peers in Northampton Pediatrics Physician, average services per provider: 102. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,934
Patients
862
Total drug cost
$56,170
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 493 154 $13,314
Losartan Potassium Generic 302 80 $7,056
Lisinopril Generic 255 77 $3,841
Amlodipine Besylate Generic 237 76 $2,948
Levothyroxine Sodium Generic 228 61 $3,984
Omeprazole Generic 220 61 $5,926
Tamsulosin Hcl Generic 168 49 $5,653
Hydrochlorothiazide Generic 164 51 $848
Gabapentin Generic 162 43 $2,097
Furosemide Generic 153 43 $1,032

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Tsongalis's medical specialty?
Dr. John Tsongalis practices Pediatrics Physician in Northampton, MA.
Where does Dr. John Tsongalis practice?
Dr. John Tsongalis practices at 76 Carlon Dr Ste B, Northampton, MA 010602377. Office phone: 4135842178.
What is Dr. John Tsongalis's NPI?
Dr. John Tsongalis's National Provider Identifier (NPI) is 1740494343, issued by NPPES.
Does Dr. John Tsongalis accept Medicare assignment?
Yes. Dr. John Tsongalis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Tsongalis 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.