Doctor profile · Federal record

Dr. Mark Shen, D.O.

Family Medicine Physician (CMS: Family Practice) · Osage Beach, MO

  • NPI 1265401285
  • Accepts Medicare
  • MIPS 81.0 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1057 Medical Park Dr, Suite A
Osage Beach, MO 650653000
(573) 348-2745
fax (573) 348-8279
Mailing address
54 Hospital Dr
Osage Beach, MO 650653050

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 28, 2009
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Missouri #2003005211
Medicaid
MO #209035500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265401285. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
90
Distinct HCPCS
1
Medicare allowed
$5,286
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 90 21 $59

In context: peer comparison

Among 4 peers in this city , average services per provider: 67. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,274
Transactions
60
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 13 $186.23
Novo Nordisk Inc 9 $151.44
Abbott Laboratories 7 $117.08
Medtronic, Inc. 3 $83.87
Lilly USA, LLC 4 $77.64
Boehringer Ingelheim Pharmaceuticals, Inc. 4 $76.05
GlaxoSmithKline, LLC. 3 $46.69
IRONWOOD PHARMACEUTICALS, INC 2 $45.02
Xeris Pharmaceuticals, Inc. 2 $43.32
Phathom Pharmaceuticals, Inc. 3 $42.80
ABBVIE INC. 2 $41.51
AstraZeneca Pharmaceuticals LP 2 $41.43
Kyowa Kirin, Inc. 2 $39.55
Merck Sharp & Dohme LLC 2 $38.20
Sumitomo Pharma America, Inc. 2 $33.74

By nature of payment

Food and Beverage
$1,274

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,841
Patients
1,295
Total drug cost
$429,853
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 666 169 $8,416
Levothyroxine Sodium Generic 582 112 $8,012
Lisinopril Generic 519 118 $4,158
Rosuvastatin Calcium Generic 513 141 $7,174
Amlodipine Besylate Generic 483 112 $3,429
Omeprazole Generic 362 90 $4,576
Pantoprazole Sodium Generic 362 84 $4,724
Gabapentin Generic 344 81 $8,208
Losartan Potassium Generic 315 89 $4,656
Sertraline Hcl Generic 307 57 $3,783

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Shen's medical specialty?
Dr. Mark Shen practices Family Medicine Physician in Osage Beach, MO.
Where does Dr. Mark Shen practice?
Dr. Mark Shen practices at 1057 Medical Park Dr, Osage Beach, MO 650653000. Office phone: 5733482745.
What is Dr. Mark Shen's NPI?
Dr. Mark Shen's National Provider Identifier (NPI) is 1265401285, issued by NPPES.
Does Dr. Mark Shen accept Medicare assignment?
Yes. Dr. Mark Shen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Shen commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.