Doctor profile · Federal record

Dr. James Day, D.O.

Family Medicine Physician (CMS: Family Practice) · Saint Joseph, MO

  • NPI 1841218948
  • Accepts Medicare
  • MIPS 76.9 / 100 · 2023
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5210 N Belt Hwy
Saint Joseph, MO 645061211
(816) 271-4951
fax (816) 385-8905
Mailing address
6185 Jefferson St
Parkville, MO 641523512

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 23, 2021
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Missouri #R8E62
Medicaid (2)
MO #1841218948 · MO #242148625

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841218948. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
794
Distinct HCPCS
3
Medicare allowed
$66,924
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 442 281 $92
99213 Established patient office or other outpatient visit, 20-29 minutes 281 187 $63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 71 71 $121

In context: peer comparison

Among 9 peers in this city , average services per provider: 130. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$329
Transactions
20
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $76.63
Novo Nordisk Inc 3 $47.34
AstraZeneca Pharmaceuticals LP 3 $45.28
Phathom Pharmaceuticals, Inc. 2 $36.50
Lilly USA, LLC 2 $31.59
Daiichi Sankyo Inc. 1 $19.48
GlaxoSmithKline, LLC. 1 $15.59
Amgen Inc. 1 $15.46
Dexcom, Inc. 1 $14.29
E.R. Squibb & Sons, L.L.C. 1 $13.73
PFIZER INC. 1 $13.25

By nature of payment

Food and Beverage
$329

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,038
Patients
1,348
Total drug cost
$118,567
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 1,020 146 $37,025
Atorvastatin Calcium Generic 560 148 $8,186
Alprazolam Generic 542 90 $4,397
Gabapentin Generic 476 121 $14,889
Lisinopril Generic 460 126 $4,830
Amlodipine Besylate Generic 429 109 $3,650
Omeprazole Generic 384 96 $8,643
Levothyroxine Sodium Generic 338 86 $5,188
Metformin Hcl Generic 317 89 $3,697
Oxycodone Hcl Generic 279 38 $8,358

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Day's medical specialty?
Dr. James Day practices Family Medicine Physician in Saint Joseph, MO.
Where does Dr. James Day practice?
Dr. James Day practices at 5210 N Belt Hwy, Saint Joseph, MO 645061211. Office phone: 8162714951.
What is Dr. James Day's NPI?
Dr. James Day's National Provider Identifier (NPI) is 1841218948, issued by NPPES.
Does Dr. James Day accept Medicare assignment?
Yes. Dr. James Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Day commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.