Doctor profile · Federal record
Dr. Jajin Chon, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Morristown, NJ
- NPI 1346320553
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
435 South St, Suite 230-A
Morristown, NJ 079606422
(973) 971-6480 - Mailing address
-
264 Boyden Ave
Maplewood, NJ 070403070
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 5, 2018
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- New Jersey #25MA07379600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346320553. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
337
Distinct HCPCS
4
Medicare allowed
$47,127
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 240 | 101 | $141 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 48 | 35 | $100 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 35 | 35 | $241 | |
36415 |
Insertion of needle into vein for collection of blood sample | 14 | 13 | $5 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 206. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$922
Transactions
43
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 6 | $200.52 | |
| Novo Nordisk Inc | 8 | $143.99 | |
| Medtronic, Inc. | 2 | $103.66 | |
| Mannkind Corporation | 5 | $81.42 | |
| RECORDATI_RARE_DISEASES_INC. | 4 | $62.88 | |
| PFIZER INC. | 3 | $57.49 | |
| UCB, Inc. | 3 | $52.11 | |
| Dexcom, Inc. | 2 | $37.95 | |
| Alexion Pharmaceuticals, Inc. | 2 | $35.51 | |
| Lilly USA, LLC | 2 | $32.58 | |
| Merck Sharp & Dohme LLC | 2 | $30.66 | |
| Corcept Therapeutics | 1 | $18.52 | |
| Abbott Laboratories | 1 | $16.83 | |
| Neurocrine Biosciences, Inc. | 1 | $16.40 | |
| Janssen Biotech, Inc. | 1 | $16.21 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,035
Patients
244
Total drug cost
$372,767
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 186 | 49 | $3,576 |
| Metformin Hcl | Generic | 155 | 45 | $1,335 |
| Jardiance (Empagliflozin) | Brand | 127 | 35 | $123,123 |
| Atorvastatin Calcium | Generic | 88 | 27 | $1,192 |
| Januvia (Sitagliptin Phosphate) | Brand | 87 | 22 | $95,045 |
| Ozempic (Semaglutide) | Brand | 65 | 13 | $95,139 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 53 | 18 | $3,443 |
| Alendronate Sodium | Generic | 41 | 12 | $864 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 41 | 0 | $21,211 |
| Novolog Flexpen (Insulin Aspart) | Brand | 36 | 0 | $20,819 |
Frequently asked questions
What is Dr. Jajin Chon's medical specialty?
Dr. Jajin Chon practices Endocrinology, Diabetes & Metabolism Physician in Morristown, NJ.
Where does Dr. Jajin Chon practice?
Dr. Jajin Chon practices at 435 South St, Morristown, NJ 079606422. Office phone: 9739716480.
What is Dr. Jajin Chon's NPI?
Dr. Jajin Chon's National Provider Identifier (NPI) is 1346320553, issued by NPPES.
Does Dr. Jajin Chon accept Medicare assignment?
Yes. Dr. Jajin Chon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jajin Chon 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); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.