Katherina Tillan-Hsia, MD
NPI 1699721373 · Internal Medicine Physician · Florence, SC
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherina Tillan-Hsia, MD is a Internal Medicine Physician provider in Florence, SC (NPI 1699721373).
Provider details
- NPI number
- 1699721373
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 29747 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
495 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 307 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 103 | $106 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 68 | $161 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 17 | $111 |
Typical Medicare-allowed amounts for these services range $74–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 34 | 29 |
| Amlodipine Besylate | 20 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 19 |
| Carvedilol | 18 | 11 |
| Prednisone | 18 | 17 |
| Hydralazine Hcl | 15 | 15 |
| Furosemide | 14 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2021-03-24
- Certified
- 2021-03-24
Frequently asked questions
- What is Katherina Tillan-Hsia's NPI number?
- Katherina Tillan-Hsia's National Provider Identifier (NPI) is 1699721373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherina Tillan-Hsia's specialty?
- Katherina Tillan-Hsia is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherina Tillan-Hsia located?
- Katherina Tillan-Hsia's practice location on file with NPPES is 805 Pamplico Hwy, Florence, SC 29505-6019.
- What is Katherina Tillan-Hsia's phone number?
- The practice phone number listed in the NPPES registry for Katherina Tillan-Hsia is (843) 629-2605.
- Does Katherina Tillan-Hsia accept Medicare?
- Katherina Tillan-Hsia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherina Tillan-Hsia's NPI active?
- Yes — Katherina Tillan-Hsia's NPI (1699721373) is active in the NPPES registry as of the last update on 2021-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.