Kathryn Ratanavanich, D.O.
NPI 1801093919 · Nephrology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Ratanavanich, D.O. is a Nephrology Physician provider in Washington, DC (NPI 1801093919).
Provider details
- NPI number
- 1801093919
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- DO034186 (DC)
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
18 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
1,540 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 361 | $114 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 282 | $18 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 209 | $386 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 176 | $84 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 119 | $53 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 100 | 22 |
| Amlodipine Besylate | 68 | 16 |
| Hydralazine Hcl | 51 | 19 |
| Allopurinol | 38 | — |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 21 | — |
| Sevelamer Carbonate | 20 | — |
| Potassium Citratebrand: Potassium Citrate Er | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$622 across 26 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
- 2007-07-02
- Last updated
- 2009-03-11
Frequently asked questions
- What is Kathryn Ratanavanich's NPI number?
- Kathryn Ratanavanich's National Provider Identifier (NPI) is 1801093919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Ratanavanich's specialty?
- Kathryn Ratanavanich is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Ratanavanich located?
- Kathryn Ratanavanich's practice location on file with NPPES is 106 Irving St Nw, Washington, DC 20010-2927.
- What is Kathryn Ratanavanich's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Ratanavanich is (202) 882-2500.
- Does Kathryn Ratanavanich accept Medicare?
- Kathryn Ratanavanich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Ratanavanich's NPI active?
- Yes — Kathryn Ratanavanich's NPI (1801093919) is active in the NPPES registry as of the last update on 2009-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.