Doctor profile · Federal record

Dr. Tzvi Jonas, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Worcester, MA

  • NPI 1609197326
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
119 Belmont St
Worcester, MA 016052903
(508) 334-8515
fax (508) 334-6490
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
July 11, 2013
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #256968

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609197326. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,338
Distinct HCPCS
4
Medicare allowed
$174,139
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 828 195 $136
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 225 87 $91
99238 Hospital discharge day management, 30 minutes or less 192 158 $93
99291 Critical care, first 30-74 minutes 93 35 $247

In context: peer comparison

Among 114 peers in this city , average services per provider: 102. This provider delivers 13× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tzvi Jonas's medical specialty?
Dr. Tzvi Jonas practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Tzvi Jonas practice?
Dr. Tzvi Jonas practices at 119 Belmont St, Worcester, MA 016052903. Office phone: 5083348515.
What is Dr. Tzvi Jonas's NPI?
Dr. Tzvi Jonas's National Provider Identifier (NPI) is 1609197326, issued by NPPES.
Does Dr. Tzvi Jonas accept Medicare assignment?
Yes. Dr. Tzvi Jonas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tzvi Jonas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.