Doctor profile · Federal record

Dr. Mark Williams, PA

Physician Assistant · Medford, OR

  • NPI 1265742662
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
691 Murphy Road, Suite 107
Medford, OR 975048383
(541) 789-6460
fax (541) 789-6461
Mailing address
2620 East Barnett Road, Suite H
Medford, OR 975048383

Credentials & registration

NPPES · NUCC
NPI registered
October 2010 — 16 yrs on file
Profile last updated
October 15, 2020
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Oregon #PA152965

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265742662. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
608
Distinct HCPCS
7
Medicare allowed
$31,824
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 339 235 $59
99214 Established patient office or other outpatient visit, 30-39 minutes 126 101 $75
36415 Insertion of needle into vein for collection of blood sample 94 83 $8
99495 Transitional care management services for problem of at least moderate complexity 15 15 $73
81003 Automated urinalysis test 12 11 $2
96127 Assessment of emotional or behavioral problems 11 11 $4
G0008 Administration of influenza virus vaccine 11 11 $25

In context: peer comparison

Among 29 peers in Medford Physician Assistant, average services per provider: 124. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
826
Patients
357
Total drug cost
$11,886
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 134 59 $1,735
Levothyroxine Sodium Generic 108 45 $1,774
Amlodipine Besylate Generic 102 41 $1,010
Gabapentin Generic 57 28 $894
Lisinopril Generic 51 26 $567
Losartan Potassium Generic 51 22 $594
Citalopram Hbr (Citalopram Hydrobromide) Brand 47 15 $399
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 39 19 $706
Rosuvastatin Calcium Generic 38 15 $616
Trazodone Hcl Generic 36 14 $837

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Williams's medical specialty?
Dr. Mark Williams practices Physician Assistant in Medford, OR.
Where does Dr. Mark Williams practice?
Dr. Mark Williams practices at 691 Murphy Road, Medford, OR 975048383. Office phone: 5417896460.
What is Dr. Mark Williams's NPI?
Dr. Mark Williams's National Provider Identifier (NPI) is 1265742662, issued by NPPES.
Does Dr. Mark Williams accept Medicare assignment?
Yes. Dr. Mark Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.