Doctor profile · Federal record

Dr. Joel Richnak, M.D.

Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · Grass Valley, CA

  • NPI 1588762645
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
380 Sierra College Dr, Ste 200
Grass Valley, CA 959455081
(530) 477-0893
fax (530) 477-1450
Mailing address
10556 Combie RD, #6439
Auburn, CA 956028908

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
208100000X — NUCC code
State license (1)
California #A81839

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588762645. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,550
Distinct HCPCS
10
Medicare allowed
$332,829
HCPCS Description Services Patients Avg allowed
J7322 Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg 5,280 71 $17
99214 Established patient office or other outpatient visit, 30-39 minutes 583 304 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 572 279 $92
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 238 108 $113
99204 New patient office or other outpatient visit, 45-59 minutes 204 204 $169
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 180 136 $1
76942 Ultrasonic guidance for needle placement 95 76 $61
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 88 86 $102
99203 New patient office or other outpatient visit, 30-44 minutes 80 80 $114
20550 Injection into tendon or ligament 77 68 $59

In context: peer comparison

Among 1 peers in Grass Valley Physical Medicine & Rehabilitation Physician, average services per provider: 503. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
134
Patients
11
Total drug cost
$5,571
Drug Type Claims Patients Total cost
Gabapentin Generic 31 0 $879
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 26 0 $560
Tramadol Hcl Generic 24 11 $149
Fentanyl Generic 22 0 $3,512
Carisoprodol Generic 20 0 $114
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 11 0 $358

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joel Richnak's medical specialty?
Dr. Joel Richnak practices Physical Medicine & Rehabilitation Physician in Grass Valley, CA.
Where does Dr. Joel Richnak practice?
Dr. Joel Richnak practices at 380 Sierra College Dr, Grass Valley, CA 959455081. Office phone: 5304770893.
What is Dr. Joel Richnak's NPI?
Dr. Joel Richnak's National Provider Identifier (NPI) is 1588762645, issued by NPPES.
Does Dr. Joel Richnak accept Medicare assignment?
Yes. Dr. Joel Richnak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joel Richnak commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg (HCPCS J7322); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.