Greg A. Greenberg, MD
Hospitalist Physician · Redding, CA
Greg A. Greenberg, MD is a hospitalist physician with a practice address in Redding, California, and NPI 1013927441, issued on Aug 8, 2006. Check the license (California A86727, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Greg A. Greenberg
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A86727 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Butte St, Redding, CA 96001
- Phone
- (530) 227-6361
- Enumerated
- Aug 8, 2006
- Record last updated
- May 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (530) 229-3703
- Medicaid ID
- 00A867270 CA
- Medicare enrollment
- Enrolled (PECOS I20240924002884); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 1100 Butte St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elahe Adibi, MDStudent in an Organized Health Care Education/Training Program1467143248
- Paula Amacker, FNPFamily Nurse Practitioner1598916884
- Scott Anderson, PAPhysician Assistant1295145712
- Avigile Baehr, MDEmergency Medicine Physician1285096594
- Manojna Beesetty, MDStudent in an Organized Health Care Education/Training Program1609568534
- Carl Bennett, NPFamily Nurse Practitioner1073150025
Verify Greg A. Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average hospitalist physician in 2024
25 Medicare Part D claims for 11 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- North Pacific Cardiology MedicalArcata, CA
- Revive PathwayEl Cajon, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greg A. Greenberg among 3,099 hospitalist physician records in California
Greg A. Greenberg, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2001 · median 2010 among the 2,505 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Redding → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alicia Daisley, MDRedding, CA 960011669993564
- Leslee Devies, D.O.Redding, CA 960011164613634
- Mark Garfinkle, MDRedding, CA 960011124039698
- Coretta Hamlin, M. DRedding, CA 960011164622155
- Bruce Kittrick, MDRedding, CA 960011972511012
- Jacob Kulyn, MDRedding, CA 960011053991919
- Analucia Lamkins, MDRedding, CA 960011114586401
- Rabab Radwan, MDRedding, CA 960011790971711
Common questions
What is Greg A. Greenberg, MD's NPI number?
Greg A. Greenberg, MD's National Provider Identifier (NPI) is 1013927441, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greg A. Greenberg, MD located?
The NPPES record lists a practice address at 1100 Butte St, Redding, CA, 96001. Phone: (530) 227-6361. Providers update this record themselves, so call before visiting.
How can I verify Greg A. Greenberg, MD's license?
NPPES lists California license number A86727, 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.
How much does Greg A. Greenberg, MD prescribe under Medicare Part D?
In 2024, Greg A. Greenberg, MD had 25 Medicare Part D claims for 11 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.