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Edit this profileWhere to find Steven B. Machtinger, MD
- San Francisco location main office
450 Sutter St Rm 933, San Francisco, CA 94108 - Palo Alto location
725 Welch Rd, Palo Alto, CA 94304 - San Mateo location
100 South Ellsworth Avenue Suite 707, San Mateo, CA 94401
About Dr. Machtinger
Based in San Francisco, CA, Steven B. Machtinger, MD is listed in the NPI registry under allergy & immunology. Steven graduated from University of Pittsburgh School of Medicine in 1977. Steven is also listed as specializing in pediatrics and pediatric allergy & immunology. Medicare claims data shows Steven provided 2,414 services to 304 patients. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and professional service for multiple injections of allergen. NPI 1093719437 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (415) 362-5443
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
450 SUTTER ST RM 933
San Francisco, CA 94108
725 Welch Rd
Palo Alto, CA 94304
100 SOUTH ELLSWORTH AVENUE SUITE 707
San Mateo, CA 94401
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
Digestive
Drug allergies
Drug allergy
Emergency
Environmental
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
Respiratory
Sinus
Sinus conditions
Skin
Skin conditions
Procedures & services
Breathing & Airway
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
Medication therapy
Medications
Preventive
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
Procedures Most Often Billed to Medicare
2,414 services · 304 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
903 | As often as other peers in Allergy & Immunology |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
600 | Too few peers to compare |
| Professional service for multiple injections of allergen | Treatment | 95117 |
207 | More often than most peers in Allergy & Immunology |
| Professional service for single injection of allergen | Treatment | 95115 |
206 | Too few peers to compare |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
200 | Too few peers to compare |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
64 | Too few peers to compare |
| Test to measure the level of nitric oxide gas | Treatment | 95012 |
60 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
85 | More often than most peers in Allergy & Immunology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
59 | More often than most peers in Allergy & Immunology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
30 | As often as other 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.
Other allergists at this location 1
Same specialty, same street address — most likely the same department or group.
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 San Francisco 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Pittsburgh School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at University of Pittsburgh School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Machtinger?
Dr. Machtinger is an allergist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
What is Dr. Machtinger's address?
Dr. Machtinger is listed at 450 Sutter St Rm 933, San Francisco, CA 94108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Machtinger?
The number on file is (415) 362-5443. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Machtinger?
Dr. Machtinger's National Provider Identifier is 1093719437. 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 Dr. Machtinger train?
Dr. Machtinger attended University of Pittsburgh School of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Machtinger have?
Dr. Machtinger has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Machtinger perform?
According to Medicare billing data, Dr. Machtinger provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Machtinger's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Machtinger. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.