DR. RICHARD H GREENGOLD M.D.
NPI 1477740488
Internal Medicine in Laguna Hills, CA
About Dr. Richard H Greengold M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RICHARD H GREENGOLD M.D. (NPI 1477740488) is an individual internal medicine provider in Laguna Hills, California, licensed in California (G37860) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, is affiliated with Medstar Saint Mary's Hospital, and is a graduate of Stanford University School Of Medicine (1977).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Richard H Greengold M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Richard Greengold reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Linthicum Heights, MD 21090
- Reassigned Medicare billing, Maryland enrollment
- 78 clinicians in this Medicare group
Leonardtown, MD 20650
- Reassigned Medicare billing, Maryland enrollment
- 14 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Saint Mary's Hospital
Acute Care Hospitals · Leonardtown, MDCalverthealth Medical Center
Acute Care Hospitals · Prince Frederick, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92653 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 19
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAGUNA HILLS, CA 92653
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 Richard Greengold's NPI number?
The NPI number for Richard Greengold is 1477740488. It was assigned to this individual provider in the NPPES registry on October 3, 2007.
Where is Richard Greengold located?
Richard Greengold practices at 24953 Paseo De Valencia Ste 15B, Laguna Hills, CA 92653. The listed phone number is (949) 770-2080.
What is Richard Greengold's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Richard Greengold enrolled in Medicare?
Yes. Richard Greengold is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Richard Greengold's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Greengold reassigns Medicare benefits to 2 organizations: Five Star Physician Services, LLC (Linthicum Heights, MD) and Healogics Specialty Physicians Of Maryland, LLC (Leonardtown, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Richard Greengold's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Richard Greengold affiliated with any hospitals?
According to CMS data, Richard Greengold is affiliated with Medstar Saint Mary's Hospital and Calverthealth Medical Center.
When was this NPI record last updated?
The NPPES record for Richard Greengold was last updated on October 3, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.