Dr. Kathryn M. Ratanavanich, DO
- Medicare services, 2024
- 1,540
- Medicare patients, 2024
- 416
- Part D claims, 2024
- 635
- Hospital affiliations
- 5
- Industry payments
- $2,313
- Practice address
- 5544 Norbeck Road, Rockville, MD 20853
- Practice phone
- Call (301) 460-0290
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DaVita Rock Creek Dialysis
Dialysis Center - Independent · Rockville, Maryland
Find Dr. Ratanavanich's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kathryn M. Ratanavanich is a nephrologist in Rockville, Maryland
Dr. Ratanavanich practices at DaVita Rock Creek Dialysis in Rockville, Maryland.
Dr. Ratanavanich's NPI, 1801093919, was assigned on July 2, 2007. Dr. Ratanavanich holds District of Columbia license DO034186.
- NPI
- 1801093919NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436287430
- NPI enumeration date
- July 2, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (301) 460-0290
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathryn M. Ratanavanich practices at DaVita Rock Creek Dialysis in Rockville, Maryland
Dr. Ratanavanich's primary practice is DaVita Rock Creek Dialysis, at 5544 Norbeck Road, Rockville, MD 20853 in Montgomery County. The practice phone is (301) 460-0290.
- DaVita Rock Creek Dialysis5544 Norbeck Road, Rockville, MD 20853 · Montgomery CountyPhone(301) 460-0290
Source: Dmand AI Affiliation Data
Dr. Kathryn M. Ratanavanich is affiliated with 10 sites of care and 2 medical groups
Dr. Ratanavanich's primary practice is DaVita Rock Creek Dialysis in Rockville, Maryland. Dr. Ratanavanich is also affiliated with Adventist HealthCare Shady Grove Medical Center. The medical group on file is Montgomery Renal Associates. Dmand AI also links Dr. Ratanavanich to 4 more hospitals, 3 dialysis centers, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathryn M. Ratanavanich's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ratanavanich practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DaVita Rock Creek Dialysis | Available with a free account |
| +9 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kathryn M. Ratanavanich is one of 279 nephrologists in Maryland
Nephrology is Dr. Ratanavanich's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ratanavanich is licensed in District of Columbia.
Specialties and state licenses
- Nephrology, District of ColumbiaPrimary
Nephrologists near Dr. Ratanavanich
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kathryn M. Ratanavanich billed Medicare for 1,540 services in 2024
CMS data shows 1,540 Medicare services from Dr. Ratanavanich across 12 procedure codes in 2024, for 416 Medicare patients. Medicare paid $176,189 for them.
Dr. Ratanavanich's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0552024: 89415%
- Tests and treatments
- 2023: 3352024: 3649%
- Other services
- 2023: 02024: 282
Where Dr. Ratanavanich's Medicare services took place, 2024
- In an office1,04868%
- In a facility49232%
Dr. Ratanavanich compared with the Maryland median for nephrologists, 2024
- Dr. Ratanavanich
- Maryland median
- Medicare services
- 1,540vs 1,39211% above
- Medicare patients
- 416vs 417Close to median
- Part D claims
- 429vs 4729% below
Medians across 268 nephrologists in Maryland with Dmand AI profiles that report each measure.
Dr. Ratanavanich's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ratanavanich?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ratanavanich and other nephrologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathryn M. Ratanavanich treated 416 Medicare patients in 2024, average age 76
CMS counts 416 Medicare patients who saw Dr. Ratanavanich in 2024. The largest group is 75 to 84, with 160 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 23% are also on Medicaid. Their average risk score is 4.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ratanavanich's median patient age at 72, with 44% women.
Dr. Ratanavanich's Medicare patients by age, 2024
Dr. Ratanavanich's Medicare patients by sex, 2024
- Women20048%
- Men21652%
Chronic conditions among Dr. Ratanavanich's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Arthritis51%
- Ischemic heart disease46%
- Heart failure45%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ratanavanich's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathryn M. Ratanavanich wrote 635 Medicare Part D claims in 2024
In 2024, Dr. Ratanavanich wrote 635 Medicare Part D claims for 121 patients. 83% of them were for generic drugs. CMS names the drug for 429 of them, across 15 drugs with 11 or more claims each, at $67,150 in total drug cost. In 2023, CMS named 463 claims across 17 drugs.
Dr. Ratanavanich's Part D claims by kind of drug, 2024
- Generic525 claims83%
- Brand-name and other110 claims17%
Dr. Ratanavanich's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ratanavanich's Part D claims, 2024
- Antibiotics2%14 of 635 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4632024: 4297%
Drugs named by CMS: 15 in 2024, 17 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Kathryn M. Ratanavanich offers telehealth to Medicare patients
Dr. Ratanavanich accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ratanavanich as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kathryn M. Ratanavanich received $2,313 in industry payments from 2016 to 2025
CMS Open Payments shows 99 general payments to Dr. Ratanavanich from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 91% of the total. Relypsa, Inc. paid the most, $394.
General payments to Dr. Ratanavanich by program year, 2016 to 2025
General payments to Dr. Ratanavanich by kind, 2016 to 2025
- Food and beverage$2,10191%
- Education$2139%
Companies that paid Dr. Ratanavanich the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kathryn M. Ratanavanich's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Kathryn M. Ratanavanich
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Kathryn M. Ratanavanich's NPI number?
Dr. Kathryn M. Ratanavanich's NPI number is 1801093919. It was assigned on July 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathryn M. Ratanavanich?
Dr. Kathryn M. Ratanavanich is a nephrologist in Rockville, Maryland. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Kathryn M. Ratanavanich practice?
Dr. Ratanavanich practices at 5544 Norbeck Road, Rockville, MD 20853. Dr. Ratanavanich's primary practice is DaVita Rock Creek Dialysis in Rockville, Maryland. Dmand AI also links Dr. Ratanavanich to 4 hospitals, 3 dialysis centers, 1 group practice or clinic and 1 medical group.
What is Dr. Kathryn M. Ratanavanich's office phone number?
The practice phone on file for Dr. Ratanavanich is (301) 460-0290.
What is Dr. Kathryn M. Ratanavanich's medical license number?
Dr. Ratanavanich holds District of Columbia license DO034186.
Which hospitals is Dr. Kathryn M. Ratanavanich affiliated with?
Dr. Ratanavanich is affiliated with Adventist HealthCare Shady Grove Medical Center. Dmand AI links Dr. Ratanavanich to 4 more hospitals.
What medical group is Dr. Kathryn M. Ratanavanich part of?
Dr. Ratanavanich is linked to Montgomery Renal Associates. Dmand AI links Dr. Ratanavanich to 1 more medical group.
Does Dr. Kathryn M. Ratanavanich accept Medicare?
Yes. CMS data shows Dr. Ratanavanich billed Medicare for 1,540 services in 2024, and Dr. Ratanavanich accepts Medicare assignment.
Does Dr. Kathryn M. Ratanavanich offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ratanavanich as offering telehealth services.
How many Medicare patients does Dr. Kathryn M. Ratanavanich see?
CMS counts 416 Medicare patients who saw Dr. Ratanavanich in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Kathryn M. Ratanavanich bill to Medicare?
In 2024, Dr. Ratanavanich's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and dialysis (90960).
What drugs does Dr. Kathryn M. Ratanavanich prescribe most?
In 2024 Medicare Part D data, Dr. Ratanavanich's most prescribed drugs by claims were Furosemide, Amlodipine Besylate and Hydralazine HCl.
Has Dr. Kathryn M. Ratanavanich received payments from drug or device companies?
CMS Open Payments shows $2,313 in general payments to Dr. Ratanavanich from 23 companies from 2016 to 2025. The largest total came from Relypsa, Inc.
How long has Dr. Kathryn M. Ratanavanich been practicing?
Dr. Ratanavanich graduated from medical school in 2002, 24 years ago.
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