Doctor profile · Federal record

Dr. Michael Krinsky, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Castro Valley, CA

  • NPI 1194757716
  • 55 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20990 Redwood RD
Castro Valley, CA 945465918
(510) 886-8033
fax (510) 733-1542

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 15, 2010
Year of graduation
1971 — 55 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #G22516
Medicaid
CA #00G225161

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194757716. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
145
Distinct HCPCS
4
Medicare allowed
$14,687
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 77 33 $143
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 27 18 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 22 16 $102
20610 Aspiration and/or injection of fluid from large joint 19 11 $73

In context: peer comparison

Among 2 peers in this city , average services per provider: 38. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$390
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 0 $390

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Krinsky's medical specialty?
Dr. Michael Krinsky practices Orthopaedic Surgery Physician in Castro Valley, CA.
Where does Dr. Michael Krinsky practice?
Dr. Michael Krinsky practices at 20990 Redwood RD, Castro Valley, CA 945465918. Office phone: 5108868033.
What is Dr. Michael Krinsky's NPI?
Dr. Michael Krinsky's National Provider Identifier (NPI) is 1194757716, issued by NPPES.
Does Dr. Michael Krinsky accept Medicare assignment?
Dr. Michael Krinsky does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Michael Krinsky commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.