Doctor profile · Federal record
Dr. Gary Pien, MD, PHD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Pediatrics Physician · Berkeley Heights, NJ
- NPI 1841404530
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Diamond Hill RD
Berkeley Heights, NJ 079222104
(908) 273-4300
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- February 18, 2026
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- New Jersey #25MA08470800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841404530. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,621
Distinct HCPCS
10
Medicare allowed
$38,160
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95165 |
Professional service for preparation and provision of 1 or more antigens | 874 | 28 | $17 | |
86003 |
Measurement of antibody (ige) to allergic substance, crude allergen extract, each | 252 | 19 | $5 | |
95117 |
Professional service for multiple injections of allergen | 172 | 27 | $14 | |
95004 |
Test for allergy using allergenic extract | 109 | 14 | $4 | |
36415 |
Insertion of needle into vein for collection of blood sample | 44 | 38 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 42 | 40 | $95 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $168 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 26 | 26 | $119 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 23 | $136 | |
95012 |
Test to measure the level of nitric oxide gas | 16 | 12 | $18 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 103. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$277
Transactions
5
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Optinose US, Inc. | 1 | $131.11 | |
| Genentech USA, Inc. | 1 | $97.09 | |
| kaleo, Inc. | 1 | $17.92 | |
| GENZYME CORPORATION | 1 | $15.91 | |
| PFIZER INC. | 1 | $15.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
175
Patients
29
Total drug cost
$106,145
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 48 | 14 | $816 |
| Azelastine Hcl | Generic | 27 | 15 | $2,201 |
| Levocetirizine Dihydrochloride | Generic | 24 | 0 | $654 |
| Advair Hfa (Fluticasone Propion/Salmeterol) | Brand | 16 | 0 | $7,528 |
| Fluticasone Propionate | Generic | 13 | 0 | $183 |
| Tezspire (Tezepelumab-Ekko) | Brand | 12 | 0 | $51,939 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 12 | 0 | $8,279 |
| Xolair (Omalizumab) | Brand | 12 | 0 | $31,090 |
| Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) | Brand | 11 | 0 | $3,454 |
Frequently asked questions
What is Dr. Gary Pien's medical specialty?
Dr. Gary Pien practices Allergy & Immunology Physician in Berkeley Heights, NJ.
Where does Dr. Gary Pien practice?
Dr. Gary Pien practices at 1 Diamond Hill RD, Berkeley Heights, NJ 079222104. Office phone: 9082734300.
What is Dr. Gary Pien's NPI?
Dr. Gary Pien's National Provider Identifier (NPI) is 1841404530, issued by NPPES.
Does Dr. Gary Pien accept Medicare assignment?
Yes. Dr. Gary Pien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Pien commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Measurement of antibody (ige) to allergic substance, crude allergen extract, each (HCPCS 86003); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.