Richard H. Greengold, M.D.
NPI 1477740488ActiveIndividual· Internal Medicine· Laguna Hills, CA
Internal Medicine (M.D.) in Laguna Hills, California, trained at Stanford University School of Medicine (class of 1977). 186 Medicare patients in 2024, $130,566 paid; nearly all of their 183 Part D prescriptions were generic (96%). Organogenesis Inc. was the largest of 4 companies reporting payments in 2025, $101.93 in all, mostly food and beverage.
Overview
| NPI | 1477740488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 3, 2007 |
| Last updated in NPPES | Oct 3, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G37860 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 186 |
|---|---|
| Services billed | 2,741 across 25 procedure codes |
| Paid by Medicare | $130,566 |
Part D prescriptions in 2024
| Prescriptions (claims) | 183 · 198 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $7,976 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Internal Medicine |
Medical group
- Healogics Specialty Physicians of Maryland LLCLanham, MD · 6 clinicians
Hospital affiliations
- Calverthealth Medical CenterPrince Frederick, MD
- Medstar Saint Mary's HospitalLeonardtown, MD
Other facilities
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
- 2025$101.93 · 5 payments from 4 companies
- 2024$203.25 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organogenesis Inc. | $37.41 | 1 |
| Smith+nephew, Inc. | $28.90 | 2 |
| Convatec Inc. | $18.59 | 1 |
| Paratek Pharmaceuticals, Inc. | $17.03 | 1 |
What the 2025 payments were for
- Food and Beverage$101.93 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Laguna Hills
- 1003378415
- 1013045970
- 1053962233
- 1104865153
- 1114057254
- 1154452142
- 1164552717
- 1255346797
- 1265528111
- 1386613081
- 1417159948
- 1447381439
All 86 internal medicine physicians in Laguna Hills · All internal medicine physicians in California