Doctor profile · Federal record

Dr. Laura Timmerman, M.D.

Sports Medicine (Orthopaedic Surgery) Physician (CMS: Orthopedic Surgery) · Walnut Creek, CA

  • NPI 1225052681
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 40 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
230 N. Wiget Lane
Walnut Creek, CA 94598
(925) 952-4080
fax (925) 952-4081

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 26, 2015
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207XX0005X — NUCC code
State license (1)
California #G060834

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225052681. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,806
Distinct HCPCS
10
Medicare allowed
$249,224
HCPCS Description Services Patients Avg allowed
J7331 Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg 6,582 82 $14
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 1,098 153 $1
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 562 180 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 243 156 $104
99203 New patient office or other outpatient visit, 30-44 minutes 104 104 $131
99214 Established patient office or other outpatient visit, 30-39 minutes 88 62 $148
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $194
99212 Established patient office or other outpatient visit, 10-19 minutes 48 37 $67
29827 Repair of shoulder rotator cuff using an endoscope 17 15 $1,169
76882 Limited ultrasound scan of joint or other extremity structure except blood vessels 13 13 $50

In context: peer comparison

Among 2 peers in this city , average services per provider: 438. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, Inc. 2 $30.94

By nature of payment

Food and Beverage
$31

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
54
Total drug cost
$355
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 30 27 $122
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 28 27 $233

Frequently asked questions

Auto-generated from federal data
What is Dr. Laura Timmerman's medical specialty?
Dr. Laura Timmerman practices Sports Medicine (Orthopaedic Surgery) Physician in Walnut Creek, CA.
Where does Dr. Laura Timmerman practice?
Dr. Laura Timmerman practices at 230 N. Wiget Lane, Walnut Creek, CA 94598. Office phone: 9259524080.
What is Dr. Laura Timmerman's NPI?
Dr. Laura Timmerman's National Provider Identifier (NPI) is 1225052681, issued by NPPES.
Does Dr. Laura Timmerman accept Medicare assignment?
Yes. Dr. Laura Timmerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Laura Timmerman commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synojoynt, for intra-articular injection, 1 mg (HCPCS J7331); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS 20611). Source: CMS Medicare Physician & Other Practitioners file.