Doctor profile · Federal record

Dr. James Williams, MD

Family Medicine Physician (CMS: Family Practice) · Surgery Physician · Green Bay, WI

  • NPI 1407849433
  • Accepts Medicare
  • MIPS 77.3 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2480 Marina Cir Unit 114
Green Bay, WI 543044875
(920) 360-6282
fax (920) 283-1278
Additional location
670 Cty RD A
Green Lake, WI 54941
(920) 294-0100
fax (920) 294-0123

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
March 8, 2021
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #44378-020
Medicaid
WI #34203400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407849433. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,788
Distinct HCPCS
10
Medicare allowed
$491,835
HCPCS Description Services Patients Avg allowed
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 1,081 279 $177
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 626 168 $59
99487 Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 561 182 $124
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 521 140 $45
99489 Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month 520 155 $64
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 495 223 $122
G0182 Physician supervision of a patient under a medicare-approved hospice (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of care plans, review of subsequent reports of patien 397 137 $100
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 133 25 $38
99497 Advance care planning, first 30 minutes 85 78 $79
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 84 25 $47

In context: peer comparison

Among 23 peers in this city , average services per provider: 90. This provider delivers 53× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,467
Patients
1,013
Total drug cost
$243,585
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 594 91 $8,038
Atorvastatin Calcium Generic 535 81 $7,073
Amlodipine Besylate Generic 532 87 $4,928
Lisinopril Generic 491 68 $3,545
Memantine Hcl Generic 456 70 $22,464
Quetiapine Fumarate Generic 453 77 $10,518
Sertraline Hcl Generic 445 75 $5,533
Furosemide Generic 441 81 $2,872
Donepezil Hcl Generic 421 80 $9,833
Eliquis (Apixaban) Brand 415 41 $140,236

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Williams's medical specialty?
Dr. James Williams practices Family Medicine Physician in Green Bay, WI.
Where does Dr. James Williams practice?
Dr. James Williams practices at 2480 Marina Cir Unit 114, Green Bay, WI 543044875. Office phone: 9203606282.
What is Dr. James Williams's NPI?
Dr. James Williams's National Provider Identifier (NPI) is 1407849433, issued by NPPES.
Does Dr. James Williams accept Medicare assignment?
Yes. Dr. James Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Williams commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with high level of medical decision making (HCPCS 99350); Chronic care management services (HCPCS 99490); Complex chronic care management services for two or more chronic conditions (HCPCS 99487). Source: CMS Medicare Physician & Other Practitioners file.