Kathryn Ratanavanich, D.O.
Nephrology Physician · Washington, DC
Kathryn Ratanavanich, D.O. is a nephrology physician with a practice address in Washington, District of Columbia, and NPI 1801093919, issued on Jul 2, 2007. Check the license (District of Columbia DO034186, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Kathryn Ratanavanich
- Credential
- D.O.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- DO034186 DC
Self-reported in NPPES; status is on the state search - Practice location
- 106 Irving St NW, Washington, DC 20010
- Phone
- (202) 882-2500
- Enumerated
- Jul 2, 2007
- Record last updated
- Mar 11, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (202) 726-8076
- Medicare enrollment
- Enrolled (PECOS I20101025001199); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 106 Irving St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sahla Abdullah, M.DPediatrics Physician1730225079
- Steven Abramowitz, M.D.Vascular Surgery Physician1821222001
- Joanne AdelbergGenetic Counselor (M.S.)1821748633
- Felton Anderson, M.D.Cardiovascular Disease Physician1588655914
- Eric Antwi-Donkor, MDNephrology Physician1629053848
- Evan Argintar, MDSports Medicine (Orthopaedic Surgery) Physician1417108457
Verify Kathryn Ratanavanich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license DO034186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average nephrology physician in 2024
635 Medicare Part D claims for 121 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide100 claims
- Amlodipine Besylate68 claims
- Hydralazine Hcl51 claims
- Allopurinol38 claims
- Lokelma21 claims
- Sevelamer Carbonate20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $622.32
26 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Montgomery Renal Associates P.A.Silver Spring, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in District of Columbia
There are 79 nephrology physician records in District of Columbia.
All 79 in District of Columbia → Every provider in Washington →
Other nephrology physician records in District of Columbia
- Yoosif Abdalla, MDWashington, DC1679851760
- Eric Antwi-Donkor, MDWashington, DC1629053848
- Abraham Aron, M.D.Washington, DC1801276639
- Shakil AslamWashington, DC1497753503
- Sharon Bennett, M.D.Washington, DC1437165628
- Anthony Bivins, MDWashington, DC1881655108
- Gretchen Brandt, M.D.Washington, DC1659465292
- Parichi Buch, M.D.Washington, DC1366839037
- Hassan Bushehri, MDWashington, DC1669430906
- Brian Bustos, MDWashington, DC1952930455
Common questions
What is Kathryn Ratanavanich, D.O.'s NPI number?
Kathryn Ratanavanich, D.O.'s National Provider Identifier (NPI) is 1801093919, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Ratanavanich, D.O. located?
The NPPES record lists a practice address at 106 Irving St NW, Washington, DC, 20010. Phone: (202) 882-2500. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Ratanavanich, D.O.'s license?
NPPES lists District of Columbia license number DO034186, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathryn Ratanavanich, D.O. prescribe under Medicare Part D?
In 2024, Kathryn Ratanavanich, D.O. had 635 Medicare Part D claims for 121 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.