Doctor profile · Federal record
Dr. Rajan Merchant, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Woodland, CA
- NPI 1396773552
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
632 W Gibson RD
Woodland, CA 95695
(530) 666-1631
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 4, 2010
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- California #A93989
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396773552. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,432
Distinct HCPCS
10
Medicare allowed
$32,872
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 881 | 16 | $4 | |
95117 |
Professional service for multiple injections of allergen | 191 | 18 | $13 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 61 | 48 | $96 | |
95012 |
Test to measure the level of nitric oxide gas | 48 | 41 | $21 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 47 | 37 | $136 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 46 | 42 | $43 | |
94726 |
Test to determine lung volumes using sensors | 44 | 41 | $60 | |
94729 |
Test to examine how well the lungs exchange gases | 44 | 41 | $63 | |
88738 |
Hemoglobin measurement | 43 | 39 | $5 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 14 | 12 | $190 |
In context: peer comparison
Among 2 peers in Woodland Allergy & Immunology Physician, average services per provider: 108. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$1,415
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Incyte Corporation | 1 | $950.00 | |
| Teva Pharmaceuticals USA, INC. | 1 | $428.12 | |
| Novartis Pharmaceuticals Corporation | 1 | $23.32 | |
| Genzyme Corporation | 1 | $13.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
796
Patients
163
Total drug cost
$240,969
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 250 | 54 | $5,118 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 126 | 22 | $61,737 |
| Levocetirizine Dihydrochloride | Generic | 74 | 17 | $2,660 |
| Dulera (Mometasone/Formoterol) | Brand | 44 | 14 | $22,145 |
| Ipratropium Bromide | Generic | 41 | 17 | $1,508 |
| Fluticasone Propionate | Generic | 39 | 0 | $817 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 39 | 12 | $34,356 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 25 | 15 | $1,138 |
| Prednisone | Generic | 25 | 12 | $55 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 24 | 0 | $9,687 |
Frequently asked questions
What is Dr. Rajan Merchant's medical specialty?
Dr. Rajan Merchant practices Allergy & Immunology Physician in Woodland, CA.
Where does Dr. Rajan Merchant practice?
Dr. Rajan Merchant practices at 632 W Gibson RD, Woodland, CA 95695. Office phone: 5306661631.
What is Dr. Rajan Merchant's NPI?
Dr. Rajan Merchant's National Provider Identifier (NPI) is 1396773552, issued by NPPES.
Does Dr. Rajan Merchant accept Medicare assignment?
Yes. Dr. Rajan Merchant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rajan Merchant commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.