Doctor profile · Federal record

Dr. Sheffey Massey, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Eau Claire, WI

  • NPI 1609834365
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1400 Bellinger St
Eau Claire, WI 547035222
(715) 838-5222
Additional location
640 Jackson St
Saint Paul, MN 551012502
(651) 254-3456
Additional location
927 Churchill St W
Stillwater, MN 550826605
(651) 439-5330
Show 1 more location
Additional location
405 Stageline RD
Hudson, WI 540167848
(715) 531-6000
Mailing address
Po Box 1510
Eau Claire, WI 547021510

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 8, 2019
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Wisconsin #40066 · Minnesota #57601
Medicaid
WI #30087000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609834365. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
234
Distinct HCPCS
4
Medicare allowed
$29,123
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 109 108 $114
99285 Emergency department visit with high level of medical decision making 61 61 $165
99283 Emergency department visit with low level of medical decision making 46 46 $66
99291 Critical care, first 30-74 minutes 18 18 $202

In context: peer comparison

Among 20 peers in this city , average services per provider: 60. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
116
Patients
116
Total drug cost
$551
Drug Type Claims Patients Total cost
Cephalexin Generic 39 39 $221
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 31 31 $96
Prednisone Generic 20 20 $33
Ondansetron Odt (Ondansetron) Brand 15 15 $174
Naproxen Generic 11 11 $28

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sheffey Massey's medical specialty?
Dr. Sheffey Massey practices Emergency Medicine Physician in Eau Claire, WI.
Where does Dr. Sheffey Massey practice?
Dr. Sheffey Massey practices at 1400 Bellinger St, Eau Claire, WI 547035222. Office phone: 7158385222.
What is Dr. Sheffey Massey's NPI?
Dr. Sheffey Massey's National Provider Identifier (NPI) is 1609834365, issued by NPPES.
Does Dr. Sheffey Massey accept Medicare assignment?
Yes. Dr. Sheffey Massey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sheffey Massey commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.