Doctor profile · Federal record
Dr. Steven Machtinger, MD
Pediatric Allergy/Immunology Physician (CMS: Allergy/Immunology) · Pediatrics Physician · Allergy & Immunology Physician · San Francisco, CA
- NPI 1093719437
- Accepts Medicare
- 49 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
450 Sutter St Rm 933
San Francisco, CA 941083997
(415) 362-5443 - Additional location
-
100 South Ellsworth Avenue Suite 707
San Mateo, CA 944013927
(650) 696-8230
fax (650) 696-8238 - Additional location
-
725 Welch RD
Palo Alto, CA 943041601
(650) 497-8000 - Mailing address
-
725 Welch RD
Palo Alto, CA 943041601
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- December 12, 2025
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 2080P0201X — NUCC code
- State license (1)
- California #G42041
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093719437. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,362
Distinct HCPCS
10
Medicare allowed
$50,625
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 903 | 16 | $5 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 600 | 25 | $20 | |
95115 |
Professional service for single injection of allergen | 219 | 19 | $13 | |
95117 |
Professional service for multiple injections of allergen | 213 | 16 | $16 | |
96372 |
Injection of drug or substance under skin or into muscle | 151 | 11 | $17 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 110 | 62 | $103 | |
94010 |
Test to measure expiratory airflow and volume | 53 | 35 | $34 | |
95012 |
Test to measure the level of nitric oxide gas | 49 | 33 | $23 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 35 | 35 | $194 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 26 | $145 |
In context: peer comparison
Among 1 peers in San Francisco Pediatric Allergy/Immunology Physician, average services per provider: 236. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$529
Transactions
8
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Aimmune Therapeutics, INC. | 1 | $175.00 | |
| Regeneron Healthcare Solutions, INC. | 1 | $121.83 | |
| Genzyme Corporation | 1 | $116.72 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $49.58 | |
| Dermavant Sciences, INC. | 1 | $25.95 | |
| Greer Laboratories, INC. | 1 | $22.06 | |
| BioCryst US Sales Co., LLC | 1 | $18.01 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
325
Patients
70
Total drug cost
$334,690
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Nucala (Mepolizumab) | Brand | 42 | 0 | $143,546 |
| Montelukast Sodium | Generic | 33 | 14 | $735 |
| Dupixent Pen (Dupilumab) | Brand | 28 | 0 | $99,772 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 27 | 0 | $17,396 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 27 | 0 | $25,143 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 25 | 0 | $13,800 |
| Ipratropium Bromide | Generic | 21 | 0 | $1,179 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 20 | 18 | $671 |
| Epinephrine | Generic | 20 | 16 | $5,464 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 19 | 11 | $14,178 |
Hospital affiliations
Frequently asked questions
What is Dr. Steven Machtinger's medical specialty?
Dr. Steven Machtinger practices Pediatric Allergy/Immunology Physician in San Francisco, CA.
Where does Dr. Steven Machtinger practice?
Dr. Steven Machtinger practices at 450 Sutter St Rm 933, San Francisco, CA 941083997. Office phone: 4153625443.
What is Dr. Steven Machtinger's NPI?
Dr. Steven Machtinger's National Provider Identifier (NPI) is 1093719437, issued by NPPES.
Does Dr. Steven Machtinger accept Medicare assignment?
Yes. Dr. Steven Machtinger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Machtinger commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for single injection of allergen (HCPCS 95115). Source: CMS Medicare Physician & Other Practitioners file.