Doctor profile · Federal record

Dr. Ruth Chambi Johnson, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · New York, NY

  • NPI 1598968612
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
425 Madison Ave, Floor 11
New York, NY 100171110
(212) 644-9100
fax (212) 644-6116
Mailing address
425 Madison Ave Fl 14
New York, NY 100171110

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 14, 2023
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #244276

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598968612. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,518
Transactions
56
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, a division of Bausch Health US, LLC 22 $465.50
Novo Nordisk Inc 12 $378.70
Lilly USA, LLC 8 $282.32
Eisai Inc. 6 $203.94
ABBVIE INC. 4 $99.60
SHIELD THERAPEUTICS INC 1 $25.09
Intra-Sana Laboratories 1 $23.55
Acella Pharmaceuticals, LLC 1 $20.05
Avion Pharmaceuticals 1 $19.21

By nature of payment

Food and Beverage
$1,518

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
230
Patients
0
Total drug cost
$61,401
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 35 0 $796
Liothyronine Sodium Generic 26 0 $1,393
Ozempic (Semaglutide) Brand 24 0 $28,002
Alprazolam Generic 22 0 $1,174
Mounjaro (Tirzepatide) Brand 19 0 $25,105
Zolpidem Tartrate Generic 17 0 $259
Ezetimibe Generic 14 0 $2,578
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 14 0 $457
Cyclobenzaprine Hcl Generic 13 0 $379
Amlodipine Besylate Generic 12 0 $166

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruth Chambi Johnson's medical specialty?
Dr. Ruth Chambi Johnson practices Internal Medicine Physician in New York, NY.
Where does Dr. Ruth Chambi Johnson practice?
Dr. Ruth Chambi Johnson practices at 425 Madison Ave, New York, NY 100171110. Office phone: 2126449100.
What is Dr. Ruth Chambi Johnson's NPI?
Dr. Ruth Chambi Johnson's National Provider Identifier (NPI) is 1598968612, issued by NPPES.
Does Dr. Ruth Chambi Johnson accept Medicare assignment?
Yes. Dr. Ruth Chambi Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.