Doctor profile · Federal record
Dr. Michael Greas
Anatomic Pathology Physician (CMS: Pathology) · Hematology (Pathology) Physician · Student in an Organized Health Care Education/Training Program · Loma Linda, CA
- NPI 1982059168
- Accepts Medicare
- MIPS 76.4 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
11234 Anderson St, Loma Linda University Pathology Residency
Loma Linda, CA 923542804
(909) 558-4094 - Additional location
-
1100 N. State Street, Clinic Tower - A7E (Department of Pathology)
Los Angeles, CA 90033
(323) 409-7150 - Mailing address
-
11234 Anderson St Rm 2516
Loma Linda, CA 923542804
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- April 30, 2024
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207ZP0101X — NUCC code
- State license (1)
- California #A157365
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982059168. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,357
Distinct HCPCS
10
Medicare allowed
$85,488
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 910 | 452 | $74 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 82 | 47 | $37 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 78 | 19 | $28 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 57 | 15 | $12 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 45 | 39 | $45 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 43 | 36 | $37 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 36 | 26 | $119 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 33 | 16 | $30 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 26 | 21 | $35 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 18 | 17 | $12 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 96. This provider delivers 14× the peer median.Frequently asked questions
What is Dr. Michael Greas's medical specialty?
Dr. Michael Greas practices Anatomic Pathology Physician in Loma Linda, CA.
Where does Dr. Michael Greas practice?
Dr. Michael Greas practices at 11234 Anderson St, Loma Linda, CA 923542804. Office phone: 9095584094.
What is Dr. Michael Greas's NPI?
Dr. Michael Greas's National Provider Identifier (NPI) is 1982059168, issued by NPPES.
Does Dr. Michael Greas accept Medicare assignment?
Yes. Dr. Michael Greas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Greas commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.