Physician Profile
Hamsa N. Subramanian, M.D.
Unclaimed ProfileAbout Dr. Subramanian
Based in Saint Louis, MO, Hamsa N. Subramanian, M.D. is listed in the NPI registry under allergy & immunology. Medicare claims data shows Hamsa provided 4,631 services to 572 patients. The services billed most often include test for allergy using allergenic extract, test for allergy using skin patch, and professional service for preparation and provision of 1 or more antigens.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 872-3104
- Email not available
Practice Locations
425 N NEW BALLAS RD STE 203
Saint Louis, MO 63141
Conditions Commonly Evaluated or Treated
Within Allergy and Immunology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
- Angioedema
- Cockroach Allergy
- Histamine Intolerance
- Oral Allergy Syndrome
- Red Meat Allergy
Digestive
Drug allergies
- Sulfa Drug Allergy
Drug allergy
- Aspirin Allergy
- Drug Allergies
- Penicillin Allergy
- Vaccine Allergy
Emergency
Environmental
- Dust Mite Allergy
- Insect Sting Allergy
- Latex Allergy
- Mold Allergy
- Pet Allergies
Eye
Food allergies
- Egg Allergy
- Milk Allergy
- Peanut Allergy
- Shellfish Allergy
- Soy Allergy
- Tree Nut Allergy
- Wheat Allergy
Immune conditions
Immunology
- Common Variable Immunodeficiency
- Frequent Infections
- Hereditary Angioedema
- Mast Cell Activation Syndrome
- Weak Immune System
Lung conditions
- Allergic Asthma
- Wheezing
Respiratory
Sinus
- Chronic sinusitis
- Loss or reduction of smell
- Nasal polyps
- Nonallergic rhinitis
- Post-Nasal Drip
Sinus conditions
- Sinus Headaches
Skin
- Cold Allergy
- Contact dermatitis
- Nickel Allergy
- Sun Allergy
Skin conditions
- Chronic itching
- Poison Ivy Rash
- Skin Writing Rash
Procedures & services
Most searched procedures
Allergy treatments
- Allergy Drops
- Asthma Biologics
- Food Desensitization
- Peanut Allergy Pill Treatment
- Sublingual Dust Mite Treatment
- Under-The-Tongue Allergy Tablets
Diagnostic
- Asthma challenge test
- Drug Challenge Test
- Exercise Challenge Breathing Test
- Exhaled nitric oxide test
- Ice Cube Test for Cold Allergy
- Immune System Blood Test
- Nasal endoscopy
- Oral Food Challenge
- Peak Flow Test
- Penicillin Allergy Testing
- Spirometry
- Tryptase Blood Test
- Vaccine Challenge Test
- Vaccine Response Antibody Test
Infusion
- C1 Esterase Inhibitor Infusion
- IVIG Infusion
- Subcutaneous Immunoglobulin Infusion
Medication therapy
- Fasenra Injections
- Nucala Injections
- Tezspire Injections
Medications
- Dupixent Injections
- Targeted therapy
- Xolair Injections
Preventive
- Anaphylaxis Emergency Action Plan
- Epinephrine Autoinjector Training
Respiratory
Tests
- Allergy Blood Testing
- Allergy Skin Prick Test
- Blood Component Allergy Test
- Complement Blood Test
- Eosinophil Blood Count
- Intradermal Allergy Test
- Pulmonary function test
- Skin Test For Metal Allergy
- Total IgE Blood Test
Treatment
- Aspirin Desensitization
- Dietary Allergen Elimination Plan
- Drug Desensitization Protocol
- Sinus Rinse Training
Procedures Most Often Billed to Medicare
4,631 services · 572 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
20 | Less often than most peers in Allergy & Immunology |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
18 | Less often than most peers in Allergy & Immunology |
| Test for allergy using allergenic extract | Treatment | 95004 |
3,151 | More often than most peers in Allergy & Immunology |
| Test for allergy using skin patch | Treatment | 95044 |
365 | Less often than most peers in Allergy & Immunology |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
244 | Less often than most peers in Allergy & Immunology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
194 | Less often than most peers in Allergy & Immunology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
86 | Less often than most peers in Allergy & Immunology |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
39 | As often as other peers in Allergy & Immunology |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
13 | Less often than most peers in Allergy & Immunology |
| Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg | Drug given | J7613 |
30 | Less often than most peers in Allergy & Immunology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other allergists in Saint Louis 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1990 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MO who bill this service to Medicare most often.
Common questions
What kind of doctor is Hamsa N. Subramanian?
Hamsa N. Subramanian is an allergist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
What is Hamsa N. Subramanian's address?
Hamsa N. Subramanian is listed at 425 N New Ballas Rd Ste 203, Saint Louis, MO 63141. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Hamsa N. Subramanian?
The number on file is (314) 872-3104. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Hamsa N. Subramanian?
Hamsa N. Subramanian's National Provider Identifier is 1154370203. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Hamsa N. Subramanian train?
Hamsa N. Subramanian attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Hamsa N. Subramanian have?
Hamsa N. Subramanian has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Hamsa N. Subramanian perform?
According to Medicare billing data, Hamsa N. Subramanian performs procedures including insertion of needle into vein for collection of blood sample and diagnostic exam of nasal passages using an endoscope; provides treatments such as test for allergy using allergenic extract and test for allergy using skin patch, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Hamsa N. Subramanian's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Hamsa N. Subramanian. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.