Doctor profile · Federal record

Dr. Jessica Chan, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Mission Viejo, CA

  • NPI 1275927485
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
26800 Crown Valley Pkwy Ste 230
Mission Viejo, CA 926918038
(949) 542-8004

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A154362

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275927485. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,343
Distinct HCPCS
10
Medicare allowed
$166,131
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 2,760 33 $20
99214 Established patient office or other outpatient visit, 30-39 minutes 493 231 $138
36415 Insertion of needle into vein for collection of blood sample 135 77 $8
96372 Injection of drug or substance under skin or into muscle 108 41 $16
99204 New patient office or other outpatient visit, 45-59 minutes 95 95 $180
84443 Blood test, thyroid stimulating hormone (tsh) 79 46 $16
80061 Blood test, lipids (cholesterol and triglycerides) 77 38 $13
83036 Hemoglobin a1c level 77 40 $9
84439 Thyroxine (thyroid chemical), free 70 35 $9
80053 Blood test, comprehensive group of blood chemicals 61 47 $10

In context: peer comparison

Among 5 peers in this city , average services per provider: 148. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,533
Transactions
57
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 14 $231.65
Corcept Therapeutics 4 $205.74
Radius Health, Inc. 6 $138.86
Novo Nordisk Inc 4 $94.32
Verity Pharmaceuticals Inc. 3 $91.34
Amgen Inc. 5 $89.59
SANOFI-AVENTIS U.S. LLC 4 $82.86
Tandem Diabetes Care, Inc. 3 $74.49
Dexcom, Inc. 2 $72.39
Insulet Corporation 2 $59.01
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $48.74
ABBVIE INC. 2 $46.83
Embecta Corp. 2 $46.54
RECORDATI_RARE_DISEASES_INC. 2 $46.13
Lilly USA, LLC 2 $44.34

By nature of payment

Food and Beverage
$1,533

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,226
Patients
794
Total drug cost
$1,298,870
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 421 142 $9,580
Metformin Hcl Generic 278 106 $3,843
Ozempic (Semaglutide) Brand 270 67 $485,745
Atorvastatin Calcium Generic 241 105 $4,377
Mounjaro (Tirzepatide) Brand 178 38 $236,391
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 135 54 $89,386
Jardiance (Empagliflozin) Brand 124 47 $195,742
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 99 46 $10,386
Synthroid (Levothyroxine Sodium) Brand 94 31 $9,872
Metformin Hcl Er (Metformin Hcl) Brand 90 32 $2,669

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jessica Chan's medical specialty?
Dr. Jessica Chan practices Endocrinology, Diabetes & Metabolism Physician in Mission Viejo, CA.
Where does Dr. Jessica Chan practice?
Dr. Jessica Chan practices at 26800 Crown Valley Pkwy Ste 230, Mission Viejo, CA 926918038. Office phone: 9495428004.
What is Dr. Jessica Chan's NPI?
Dr. Jessica Chan's National Provider Identifier (NPI) is 1275927485, issued by NPPES.
Does Dr. Jessica Chan accept Medicare assignment?
Yes. Dr. Jessica Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jessica Chan commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.