Doctor profile · Federal record
Dr. Chih-Shan Chen, MD
Mohs-Micrographic Surgery Physician (CMS: Micrographic Dermatologic Surgery (MDS)) · Hauppauge, NY
- NPI 1891766671
- Accepts Medicare
- MIPS 91.2 / 100 · 2023
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 Veterans Memorial Hwy
Hauppauge, NY 117882948
(212) 639-2000 - Mailing address
-
633 3Rd Ave, Box 3
New York, NY 100176706
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- April 7, 2015
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207ND0101X — NUCC code
- State license (1)
- New York #211828
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891766671. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,404
Distinct HCPCS
10
Medicare allowed
$640,565
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17311 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 431 | 333 | $712 | |
17312 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 181 | 109 | $499 | |
17313 |
Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks | 149 | 122 | $657 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 146 | 89 | $106 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 112 | 112 | $150 | |
13132 |
Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | 78 | 78 | $301 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 61 | 61 | $197 | |
12032 |
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | 46 | 44 | $201 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 45 | 44 | $67 | |
17314 |
Removal and microscopic exam of growth of trunk, arms, or legs, each additional stage, 1-5 tissue blocks | 33 | 29 | $477 |
In context: peer comparison
Among 1 peers in Hauppauge Mohs-Micrographic Surgery Physician, average services per provider: 82. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$38
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 1 | $38.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
34
Patients
19
Total drug cost
$507
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mupirocin | Generic | 21 | 19 | $352 |
| Timolol Maleate | Generic | 13 | 0 | $155 |
Frequently asked questions
What is Dr. Chih-Shan Chen's medical specialty?
Dr. Chih-Shan Chen practices Mohs-Micrographic Surgery Physician in Hauppauge, NY.
Where does Dr. Chih-Shan Chen practice?
Dr. Chih-Shan Chen practices at 800 Veterans Memorial Hwy, Hauppauge, NY 117882948. Office phone: 2126392000.
What is Dr. Chih-Shan Chen's NPI?
Dr. Chih-Shan Chen's National Provider Identifier (NPI) is 1891766671, issued by NPPES.
Does Dr. Chih-Shan Chen accept Medicare assignment?
Yes. Dr. Chih-Shan Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chih-Shan Chen commonly perform?
Top Medicare-reported procedures in 2023: Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (HCPCS 17311); Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (HCPCS 17312); Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks (HCPCS 17313). Source: CMS Medicare Physician & Other Practitioners file.