Doctor profile · Federal record

Dr. Joshua Onyango, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Nashville, TN

  • NPI 1851957906
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3601 the Vanderbilt Clinic
Nashville, TN 372323220
(615) 322-3000
Additional location
20 York St
New Haven, CT 065103220
(203) 688-4242
Mailing address
3841 Green Hills Village Dr Ste 200
Nashville, TN 372152691

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
August 9, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Tennessee #68210 · Connecticut #70701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851957906. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
201
Distinct HCPCS
6
Medicare allowed
$18,802
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 73 32 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 35 35 $127
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 16 $52
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 13 $113
99238 Hospital discharge day management, 30 minutes or less 24 23 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $154

In context: peer comparison

Among 168 peers in Nashville Internal Medicine Physician, average services per provider: 100. This provider delivers 2.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joshua Onyango's medical specialty?
Dr. Joshua Onyango practices Internal Medicine Physician in Nashville, TN.
Where does Dr. Joshua Onyango practice?
Dr. Joshua Onyango practices at 3601 the Vanderbilt Clinic, Nashville, TN 372323220. Office phone: 6153223000.
What is Dr. Joshua Onyango's NPI?
Dr. Joshua Onyango's National Provider Identifier (NPI) is 1851957906, issued by NPPES.
Does Dr. Joshua Onyango accept Medicare assignment?
Yes. Dr. Joshua Onyango accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joshua Onyango commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.