1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. RONALD WISDOM M.D.
NPI 1184607079
Internal Medicine - Hematology & Oncology in Sacramento, CA

Active since November 23, 2005
4501 X ST, SACRAMENTO, CA 95817(916) 734-3772(916) 734-7946 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald Wisdom M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD WISDOM M.D. (NPI 1184607079) is an individual hematology & oncology provider in Sacramento, California, licensed in California (G48622) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1184607079
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. RONALD WISDOMCredential: M.D.
Location Address4501 X STSacramento, CA 95817-2229
Mailing Address4628 Barnett Ranch RdShingle Springs, CA 95682-9352 · (916) 734-0601 · Fax (916) 734-7946
Phone(916) 734-3772
Fax(916) 734-7946
Sole ProprietorNo
Enumeration DateNovember 23, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1184607079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · G48622
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
4501 X ST, Sacramento, CA 95817
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. VIJAY P KHATRI M.D.
Surgery (Surgical Oncology)
4501 X ST, UC DAVIS CANCER CENTER, SUITE 3010
SACRAMENTO, CA 95817
Sacramento County (916) 734-2172
BRIANNA CHRISTINE KALMYKOW
Nurse Practitioner (Adult Health)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
DR. TYLER O'FLAHRITY MD
Internal Medicine
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
MS. KELLY K. ROSS MANASHIL NP
Nurse Practitioner (Family)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
SUSAN T. FERRARA NP
Nurse Practitioner (Family)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
DR. JEFFREY MCLEROY M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (916) 734-3771
DR. SRINIVAS C GUMMARAJU M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (530) 749-4400
DR. MICHAEL S TANAKA M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-3772

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Wisdom's NPI number?

The NPI number for Ronald Wisdom is 1184607079. It was assigned to this individual provider in the NPPES registry on November 23, 2005.

Where is Ronald Wisdom located?

Ronald Wisdom practices at 4501 X St, Sacramento, CA 95817. The listed phone number is (916) 734-3772.

What is Ronald Wisdom's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Ronald Wisdom was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.