NPPES file of Aug 9, 2026

Henry Rex Greene, M.D.

Hematology & Oncology Physician · Eureka, CA

Henry Rex Greene, M.D. is a hematology & oncology physician with a practice address in Eureka, California, and NPI 1659312627, issued on Jun 9, 2006. Check the license (California G19771, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659312627
Name
Henry Rex Greene
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
G19771 CA
ME120037 FL
35087628 OH
Self-reported in NPPES; status is on the state search
Practice location
2710 Dolbeer St, Eureka, CA 95501
Phone
(707) 267-2060
Enumerated
Jun 9, 2006
Record last updated
Feb 13, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(707) 267-2061
Medicaid IDs
019021800 FL
2648139 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2710 Dolbeer St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. April Alexander, LCSWClinical Social Worker1669014544
  2. Oswald Jauwena, N.P.Acute Care Nurse Practitioner1538349477
  3. Camille Menino, CRNPNurse Practitioner1962644096
  4. Steven Paul, M.D.Internal Medicine Physician1467417725
  5. Christopher Williams, M.D.Medical Oncology Physician1588899363

Verify Henry Rex Greene in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G19771
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other hematology & oncology physician records in California

  1. Mark Abate, M.D.Santa Barbara, CA1588778674
  2. Iman Abdalla, MDLos Angeles, CA1730248311
  3. Haifaa Abdulhaq, MDFresno, CA1508024647
  4. Nihal Abdulla, MDLos Alamitos, CA1750585345
  5. Mehrad Abedi, M.D.Sacramento, CA1467459222
  6. Oyewale Abidoye, M.D.La Jolla, CA1790841815
  7. Mohammed Abu Zaanona, MDSanta Barbara, CA1922591197
  8. Mohamad Adada, M.D., PHDRoseville, CA1528590734
  9. Jesse Adams, MDSacramento, CA1851479554
  10. Thompson Adams, MDSanta Monica, CA1407880891

Common questions

What is Henry Rex Greene, M.D.'s NPI number?

Henry Rex Greene, M.D.'s National Provider Identifier (NPI) is 1659312627, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Henry Rex Greene, M.D. located?

The NPPES record lists a practice address at 2710 Dolbeer St, Eureka, CA, 95501. Phone: (707) 267-2060. Providers update this record themselves, so call before visiting.

How can I verify Henry Rex Greene, M.D.'s license?

NPPES lists California license number G19771, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. 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.