Doctor profile · Federal record
Dr. Katharine Nelson, MD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · San Jose, CA
- NPI 1497921811
- Accepts Medicare
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
130 Bellerose Dr
San Jose, CA 951281729
(408) 286-1707
fax (408) 286-1744
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- June 19, 2012
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- California #A108809
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497921811. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,660
Distinct HCPCS
8
Medicare allowed
$67,992
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 1,466 | 20 | $5 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 1,277 | 45 | $20 | |
95117 |
Professional service for multiple injections of allergen | 734 | 51 | $16 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 95 | 60 | $149 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 25 | $104 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 26 | 26 | $198 | |
94010 |
Test to measure expiratory airflow and volume | 16 | 14 | $35 | |
95012 |
Test to measure the level of nitric oxide gas | 16 | 13 | $26 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 697. This provider delivers 5.3× the peer median.Open Payments
Industry payments received
All-time total
$2,171
Transactions
67
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 12 | $790.19 | |
| GlaxoSmithKline, LLC. | 16 | $318.29 | |
| GENZYME CORPORATION | 11 | $264.87 | |
| Novartis Pharmaceuticals Corporation | 6 | $215.28 | |
| Regeneron Healthcare Solutions, Inc. | 4 | $126.41 | |
| Pharming Healthcare, Inc. | 4 | $96.89 | |
| kaleo, Inc. | 3 | $81.10 | |
| Amgen Inc. | 2 | $55.61 | |
| Hikma Pharmaceuticals USA | 2 | $46.24 | |
| Grifols USA, LLC | 2 | $40.93 | |
| Optinose US, Inc. | 1 | $28.16 | |
| Genentech USA, Inc. | 1 | $27.43 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $27.22 | |
| Octapharma USA, Inc. | 1 | $26.23 | |
| CSL Behring | 1 | $25.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
151
Patients
11
Total drug cost
$22,441
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 48 | 0 | $2,000 |
| Ipratropium Bromide | Generic | 25 | 0 | $770 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 24 | 11 | $673 |
| Azelastine Hcl | Generic | 16 | 0 | $788 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 14 | 0 | $9,374 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 13 | 0 | $5,484 |
| Arnuity Ellipta (Fluticasone Furoate) | Brand | 11 | 0 | $3,352 |
Frequently asked questions
What is Dr. Katharine Nelson's medical specialty?
Dr. Katharine Nelson practices Allergy & Immunology Physician in San Jose, CA.
Where does Dr. Katharine Nelson practice?
Dr. Katharine Nelson practices at 130 Bellerose Dr, San Jose, CA 951281729. Office phone: 4082861707.
What is Dr. Katharine Nelson's NPI?
Dr. Katharine Nelson's National Provider Identifier (NPI) is 1497921811, issued by NPPES.
Does Dr. Katharine Nelson accept Medicare assignment?
Yes. Dr. Katharine Nelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katharine Nelson 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 multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.