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

NPPES Updated May 11, 2026
Primary practice
632 W GIBSON RD
WOODLAND, CA 95695
(530) 666-1631

Credentials & registration

NPPES · NUCC
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

OIG LEIE Updated May 11, 2026

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

CMS Provider Utilization
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 this city , average services per provider: 108. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
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

Consulting Fee
$950
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$428
Food and Beverage
$37

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
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