Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ruth Chambi Johnson, MD

Individual provider Internal Medicine Physician · NPI 1598968612

Dr. Ruth Chambi Johnson, MD is an Internal Medicine in New York, New York. Qualified in 2003, 23 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
23
Licensed in
NY
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

425 Madison Ave Fl 11
New York, NY 10017-1110
Phone: (212) 644-9100
Fax: (212) 644-6116
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 244276 (NY)

Record details

NPI number1598968612
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 6, 2007
Last updated in NPPESApril 14, 2023
Certification dateApril 14, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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