Ralph Gershon Ganick, M.D.
Hematology & Oncology Physician · Oklahoma City, OK
Ralph Gershon Ganick, M.D. is a hematology & oncology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1245282888, issued on May 16, 2006. Check the license (Oklahoma 11667, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ralph Gershon Ganick
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 11667 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1011 N Dewey Ave, Oklahoma City, OK 73102
- Phone
- (405) 228-7100
- Enumerated
- May 16, 2006
- Record last updated
- Dec 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (405) 228-7150
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 128 in Oklahoma → Look up another NPI →
Also registered at 1011 N Dewey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leonard Bowen, M.D.Hematology & Oncology Physician1851344048
- James Feisal, MDHematology & Oncology Physician1871937680
- David Lam, MDHematology & Oncology Physician1295930972
- Thy Nguyen, M.D.Hematology & Oncology Physician1053352112
Verify Ralph Gershon Ganick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 11667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ralph Gershon Ganick among 128 hematology & oncology physician records in Oklahoma
Ralph Gershon Ganick, M.D. is one of 128 hematology & oncology physician records with a practice address in Oklahoma. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileNo · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2010 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Oklahoma
There are 128 hematology & oncology physician records in Oklahoma. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 128 in Oklahoma → Every provider in Oklahoma City → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Leonard Bowen, M.D.Oklahoma City, OK 731021851344048
- James Feisal, MDOklahoma City, OK 731021871937680
- David Lam, MDOklahoma City, OK 731021295930972
- Thy Nguyen, M.D.Oklahoma City, OK 731021053352112
- Sakher Abdullah, MDOklahoma City, OK 731041932111333
- Philip Comp, MDOklahoma City, OK 731041790754729
- Robert Epstein, MDOklahoma City, OK 731041154390185
- James George, MDOklahoma City, OK 731041093783227
Common questions
What is Ralph Gershon Ganick, M.D.'s NPI number?
Ralph Gershon Ganick, M.D.'s National Provider Identifier (NPI) is 1245282888, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Gershon Ganick, M.D. located?
The NPPES record lists a practice address at 1011 N Dewey Ave, Oklahoma City, OK, 73102. Phone: (405) 228-7100. Providers update this record themselves, so call before visiting.
How can I verify Ralph Gershon Ganick, M.D.'s license?
NPPES lists Oklahoma license number 11667, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.