Katherine Tsai, M.D.
NPI 1316084205 · Internal Medicine Physician · Denver, CO
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Tsai, M.D. is a Internal Medicine Physician provider in Denver, CO (NPI 1316084205).
Provider details
- NPI number
- 1316084205
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2006008803 (MO)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,664 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 Allergenic Extract95004 | 4,376 | $4 |
| Professional Service for Multiple Injections of Allergen95117 | 887 | $12 |
| Professional Service for Single Injection of Allergen95115 | 418 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 300 | $126 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 214 | $8 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 179 | $72 |
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 |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 157 | 83 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 118 | 47 |
| Azithromycin | 85 | 58 |
| Fluticasone Propionate | 82 | 40 |
| Prednisone | 76 | 54 |
| Omeprazole | 73 | 24 |
| Montelukast Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,713 across 131 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
Registry dates
- Enumerated
- 2007-01-31
- Last updated
- 2010-03-29
Frequently asked questions
- What is Katherine Tsai's NPI number?
- Katherine Tsai's National Provider Identifier (NPI) is 1316084205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Tsai's specialty?
- Katherine Tsai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Tsai located?
- Katherine Tsai's practice location on file with NPPES is 125 Rampart Way, Denver, CO 80230-6406.
- What is Katherine Tsai's phone number?
- The practice phone number listed in the NPPES registry for Katherine Tsai is (720) 858-7434.
- Does Katherine Tsai accept Medicare?
- Katherine Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Tsai's NPI active?
- Yes — Katherine Tsai's NPI (1316084205) is active in the NPPES registry as of the last update on 2010-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.