Doctor profile · Federal record

Dr. Na Shen, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Thousand Oaks, CA

  • NPI 1225268824
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Moody CT, Suite 200
Thousand Oaks, CA 913606077
(805) 418-3500
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
December 20, 2024
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A116462

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225268824. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,607
Distinct HCPCS
10
Medicare allowed
$303,766
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 5,880 60 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 610 345 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 524 128 $99
83036 Hemoglobin a1c level 205 139 $10
96372 Injection of drug or substance under skin or into muscle 153 70 $16
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 79 41 $37
99215 Established patient office or other outpatient visit, 40-54 minutes 77 67 $195
99442 Telephone medical discussion with physician, 11-20 minutes 45 40 $82
99443 Telephone medical discussion with physician, 21-30 minutes 19 16 $114
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $181

In context: peer comparison

Among 4 peers in Thousand Oaks Endocrinology, Diabetes & Metabolism Physician, average services per provider: 510. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$211
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 2 $161.29
Lilly USA, LLC 1 $50.00

By nature of payment

Food and Beverage
$211

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,778
Patients
748
Total drug cost
$1,489,558
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 494 143 $8,331
Ozempic (Semaglutide) Brand 421 77 $530,479
Metformin Hcl Generic 319 98 $5,788
Metformin Hcl ER (Metformin Hcl) Brand 254 83 $3,902
Synthroid (Levothyroxine Sodium) Brand 237 64 $23,617
Jardiance (Empagliflozin) Brand 225 64 $331,059
Mounjaro (Tirzepatide) Brand 144 18 $166,646
Glipizide ER (Glipizide) Brand 139 41 $3,680
Trulicity (Dulaglutide) Brand 123 33 $204,961
Atorvastatin Calcium Generic 98 32 $1,325

Frequently asked questions

Auto-generated from federal data
What is Dr. Na Shen's medical specialty?
Dr. Na Shen practices Endocrinology, Diabetes & Metabolism Physician in Thousand Oaks, CA.
Where does Dr. Na Shen practice?
Dr. Na Shen practices at 100 Moody CT, Thousand Oaks, CA 913606077. Office phone: 8054183500.
What is Dr. Na Shen's NPI?
Dr. Na Shen's National Provider Identifier (NPI) is 1225268824, issued by NPPES.
Does Dr. Na Shen accept Medicare assignment?
Yes. Dr. Na Shen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Na Shen commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.