Doctor profile · Federal record
Dr. Hamsa Subramanian, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Saint Louis, MO
- NPI 1154370203
- Accepts Medicare
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
425 N New Ballas RD Ste 203
Saint Louis, MO 631416814
(314) 872-3104
fax (314) 994-7105
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 16, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- Missouri #107809
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154370203. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,451
Distinct HCPCS
10
Medicare allowed
$73,561
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 2,107 | 52 | $4 | |
95044 |
Test for allergy using skin patch | 354 | 13 | $5 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 200 | 127 | $126 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 186 | 16 | $15 | |
95117 |
Professional service for multiple injections of allergen | 183 | 19 | $11 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 103 | 73 | $87 | |
94010 |
Test to measure expiratory airflow and volume | 66 | 50 | $26 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 62 | 62 | $163 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 48 | 16 | $55 | |
36415 |
Insertion of needle into vein for collection of blood sample | 30 | 27 | $8 |
In context: peer comparison
Among 3 peers in Saint Louis Allergy & Immunology Physician, average services per provider: 248. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$317
Transactions
13
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 4 | $154.68 | |
| Genzyme Corporation | 4 | $68.82 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $33.55 | |
| Pfizer INC. | 2 | $33.13 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $26.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,125
Patients
450
Total drug cost
$254,190
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 268 | 92 | $4,237 |
| Azelastine Hcl | Generic | 246 | 92 | $11,753 |
| Fluticasone Propionate | Generic | 107 | 58 | $2,761 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 67 | 18 | $31,217 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 59 | 13 | $33,649 |
| Famotidine | Generic | 58 | 31 | $828 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 49 | 11 | $35,272 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 44 | 36 | $1,178 |
| Flovent Hfa (Fluticasone Propionate) | Brand | 42 | 16 | $14,427 |
| Prednisone | Generic | 42 | 36 | $166 |
Frequently asked questions
What is Dr. Hamsa Subramanian's medical specialty?
Dr. Hamsa Subramanian practices Allergy & Immunology Physician in Saint Louis, MO.
Where does Dr. Hamsa Subramanian practice?
Dr. Hamsa Subramanian practices at 425 N New Ballas RD Ste 203, Saint Louis, MO 631416814. Office phone: 3148723104.
What is Dr. Hamsa Subramanian's NPI?
Dr. Hamsa Subramanian's National Provider Identifier (NPI) is 1154370203, issued by NPPES.
Does Dr. Hamsa Subramanian accept Medicare assignment?
Yes. Dr. Hamsa Subramanian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hamsa Subramanian commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Test for allergy using skin patch (HCPCS 95044); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.