Ronald Alan Greeno, MD
Pulmonary Disease Physician · Los Angeles, CA
Ronald Alan Greeno, MD is a pulmonary disease physician with a practice address in Los Angeles, California, and NPI 1043390735, issued on Oct 17, 2006. Check the license (California G60795, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald Alan Greeno
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- G60795 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 Wilshire Blvd, Los Angeles, CA 90017
- Phone
- (213) 977-4979
- Enumerated
- Oct 17, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (213) 977-0544
- Medicaid ID
- 00G607950 CA
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 1245 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald Alan Greeno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
26 Medicare Part D claims, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
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.
Ronald Alan Greeno among 1,443 pulmonary disease physician records in California
Ronald Alan Greeno, MD is one of 1,443 pulmonary disease physician records with a practice address in California. 84% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Los Angeles → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Lawrence Brooks, MDLos Angeles, CA 900171780764472
- Andrew Fishmann, MDLos Angeles, CA 900171407936198
- Bernard Kim, M.D.Los Angeles, CA 900171184723231
- Sucha Kim, MDLos Angeles, CA 900171205916145
- Kyriacos Pittokopitis, MDLos Angeles, CA 900171356354864
- Joshua Rice, MDLos Angeles, CA 900171164503744
- Farid Besharat, M.D.Los Angeles, CA 900151366548620
- Harvey Brown, MDLos Angeles, CA 900151235111717
Common questions
What is Ronald Alan Greeno, MD's NPI number?
Ronald Alan Greeno, MD's National Provider Identifier (NPI) is 1043390735, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Alan Greeno, MD located?
The NPPES record lists a practice address at 1245 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 977-4979. Providers update this record themselves, so call before visiting.
How can I verify Ronald Alan Greeno, MD's license?
NPPES lists California license number G60795, 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 Ronald Alan Greeno, MD prescribe under Medicare Part D?
In 2024, Ronald Alan Greeno, MD had 26 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,425. 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.