Doctor profile · Federal record

Dr. Mark Kowall, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Templeton, CA

  • NPI 1750455507
  • Accepts Medicare
  • MIPS 74.2 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
78 S Main St
Templeton, CA 934659787
(805) 434-0999
fax (805) 434-5267

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
September 16, 2008
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #G74354

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750455507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,039
Distinct HCPCS
10
Medicare allowed
$167,817
HCPCS Description Services Patients Avg allowed
J7318 Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg 1,140 14 $7
J7331 Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg 840 14 $22
99213 Established patient office or other outpatient visit, 20-29 minutes 245 168 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 195 163 $133
20610 Aspiration and/or injection of fluid from large joint 175 121 $67
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 129 106 $1
99203 New patient office or other outpatient visit, 30-44 minutes 105 105 $116
73564 X-ray of knee, 4 or more views 44 42 $51
99212 Established patient office or other outpatient visit, 10-19 minutes 38 17 $59
27447 Replacement of knee joint, both sides of knee 30 29 $1,283

In context: peer comparison

Among 2 peers in this city , average services per provider: 137. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,099
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Think Surgical, Inc. 1 $2,000.00
Smith+Nephew, Inc. 1 $98.56

By nature of payment

Consulting Fee
$2,000
Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
204
Patients
140
Total drug cost
$2,817
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 67 47 $568
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 67 50 $735
Celecoxib Generic 41 27 $1,287
Amoxicillin Generic 18 16 $54
Cephalexin Generic 11 0 $172

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Kowall's medical specialty?
Dr. Mark Kowall practices Orthopaedic Surgery Physician in Templeton, CA.
Where does Dr. Mark Kowall practice?
Dr. Mark Kowall practices at 78 S Main St, Templeton, CA 934659787. Office phone: 8054340999.
What is Dr. Mark Kowall's NPI?
Dr. Mark Kowall's National Provider Identifier (NPI) is 1750455507, issued by NPPES.
Does Dr. Mark Kowall accept Medicare assignment?
Yes. Dr. Mark Kowall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Kowall commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg (HCPCS J7318); Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg (HCPCS J7331); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.