Katharine Woessner, M.D.
NPI 1184663650 · Allergy & Immunology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Woessner, M.D. is a Allergy & Immunology Physician provider in San Diego, CA (NPI 1184663650).
Provider details
- NPI number
- 1184663650
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G81801 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,379 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Test for Allergy Using Skin Patch95044 | 2,508 | $6 |
| Test for Allergy Using Allergenic Extract95004 | 1,521 | $4 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 564 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 481 | $16 |
| Professional Service for Multiple Injections of Allergen95117 | 230 | $14 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 204 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 118 | 37 |
| Ipratropium Bromide | 105 | 33 |
| Azithromycin | 67 | 65 |
| Azelastine Hcl | 59 | 16 |
| Omalizumabbrand: Xolair | 58 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 54 | 22 |
| Atovaquone/Proguanil Hclbrand: Atovaquone-Proguanil Hcl | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$90,587 across 158 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 15004 Innovation DrSan Diego, CA 92128-3491Phone: (858) 605-7169Fax: (858) 605-7182
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2020-01-03
- Certified
- 2020-01-03
Frequently asked questions
- What is Katharine Woessner's NPI number?
- Katharine Woessner's National Provider Identifier (NPI) is 1184663650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Woessner's specialty?
- Katharine Woessner is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Katharine Woessner located?
- Katharine Woessner's practice location on file with NPPES is 3811 Valley Centre Dr, San Diego, CA 92130-3318.
- What is Katharine Woessner's phone number?
- The practice phone number listed in the NPPES registry for Katharine Woessner is (858) 764-9010.
- Does Katharine Woessner accept Medicare?
- Katharine Woessner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Woessner's NPI active?
- Yes — Katharine Woessner's NPI (1184663650) is active in the NPPES registry as of the last update on 2020-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.