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Dr. Catherine Anne Varnum, MD, MPH
NPI1124553227PAC ID7911232160
- Medicare services, 2024
- 706
- Medicare patients, 2024
- 366
- Part D claims, 2024
- 1,473
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 6856 Eastern NW Ave, Washington, DC 20012
- Practice phone
- Call (202) 829-1719
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Specialty Home Care
Washington, District of Columbia
Find Dr. Varnum's professional email, personal email and mobile number
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Dr. Catherine Anne Varnum is an internist in Washington, District of Columbia
Dr. Varnum practices at Specialty Home Care in Washington, District of Columbia.
Dr. Varnum's NPI, 1124553227, was assigned on April 26, 2017. Dr. Varnum graduated from University of Maryland School of Medicine in 2017. Dr. Varnum holds District of Columbia license MD048669.
NPI and contact details
- NPI
- 1124553227NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911232160
- NPI enumeration date
- April 26, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 829-1719
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine Anne Varnum practices at Specialty Home Care in Washington, District of Columbia
Dr. Varnum's primary practice is Specialty Home Care, at 6856 Eastern NW Ave, Washington, DC 20012 in District Of Columbia County. The practice phone is (202) 829-1719.
- Specialty Home Care6856 Eastern NW Ave, Washington, DC 20012 · District Of Columbia CountyPhone(202) 829-1719
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Catherine Anne Varnum is affiliated with 3 sites of care and 1 medical group
Dr. Varnum's primary practice is Specialty Home Care in Washington, District of Columbia. Dr. Varnum is also affiliated with The George Washington University Hospital. The medical group on file is The GW Medical Faculty Associates. Dmand AI also links Dr. Varnum to 1 more group practice or clinic, named with a free account.
Specialty Home CarePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Catherine Anne Varnum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Varnum practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Specialty Home Care | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine Anne Varnum is one of 660 internists in District of Columbia
Internal medicine is Dr. Varnum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Varnum is licensed in District of Columbia.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
Internists near Dr. Varnum
Counts of internists 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. Catherine Anne Varnum billed Medicare for 706 services in 2024
CMS data shows 706 Medicare services from Dr. Varnum across 10 procedure codes in 2024, for 366 Medicare patients. Medicare paid $52,127 for them. Every service was in an office.
Medicare services, 2024706
Medicare patients366
Paid by Medicare$52,127
Procedure codes10
Dr. Varnum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1222024: 293140%
- Office and hospital visits
- 2023: 2012024: 27939%
- Tests and treatments
- 2023: 652024: 11374%
- Lab and pathology
- 2023: 02024: 21
Dr. Varnum compared with the District of Columbia median for internists, 2024
- Dr. Varnum
- District of Columbia median
- Medicare services
- 706vs 35499% above
- Medicare patients
- 366vs 1532.4 times
- Part D claims
- 1,013vs 1109.2 times
Medians across 591 internists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Varnum'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. Varnum?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Varnum and other internists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine Anne Varnum treated 366 Medicare patients in 2024, average age 73
CMS counts 366 Medicare patients who saw Dr. Varnum in 2024. The largest group is 65 to 74, with 161 patients. 73% of them have high cholesterol, and 72% have high blood pressure. 26% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Varnum's median patient age at 63, with 65% women.
Medicare patients, 2024366
Average age73
Average risk score1.11
Also on Medicaid26%
Dr. Varnum's Medicare patients by age, 2024
Dr. Varnum's Medicare patients by sex, 2024
- Women23163%
- Men13537%
Chronic conditions among Dr. Varnum's Medicare patients, 2024
- High cholesterol73%
- High blood pressure72%
- Arthritis54%
- Diabetes28%
- Ischemic heart disease23%
- Cancer21%
- Chronic kidney disease20%
- Anxiety16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Varnum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine Anne Varnum wrote 1,473 Medicare Part D claims in 2024
In 2024, Dr. Varnum wrote 1,473 Medicare Part D claims for 184 patients. 86% of them were for generic drugs. CMS names the drug for 1,013 of them, across 39 drugs with 11 or more claims each, at $83,810 in total drug cost. In 2023, CMS named 431 claims across 17 drugs.
Part D claims, 20241,473
Drugs named by CMS39
Total drug cost$83,810
Part D patients184
Dr. Varnum's Part D claims by kind of drug, 2024
- Generic1,271 claims86%
- Brand-name183 claims12%
- Other19 claims1%
Dr. Varnum'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. Varnum's Part D claims, 2024
- Opioids4%60 of 1,473 claims
- Antibiotics1%12 of 1,473 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: 4312024: 1,013135%
Drugs named by CMS: 39 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. Catherine Anne Varnum offers telehealth to Medicare patients
Dr. Varnum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Varnum as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Catherine Anne Varnum has 2 publications on record
Dmand AI links 2 papers to Dr. Varnum, published from 2014 to 2015. The most frequent topics are Sweden.
Papers2
Years published2014 to 2015
Topics Dr. Varnum writes about most
- Sweden
Recent publications by Dr. Varnum
Cancer Epidemiol
Child MortalityChild of Impaired ParentsFamily Health
See who Dr. Varnum researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Varnum works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Catherine Anne Varnum graduated from University of Maryland School of Medicine
Dr. Varnum graduated from University of Maryland School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Catherine Anne Varnum'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Catherine Anne Varnum
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. Catherine Anne Varnum's NPI number?
Dr. Catherine Anne Varnum's NPI number is 1124553227. It was assigned on April 26, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Anne Varnum?
Dr. Catherine Anne Varnum is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Catherine Anne Varnum practice?
Dr. Varnum practices at 6856 Eastern NW Ave, Washington, DC 20012. Dr. Varnum's primary practice is Specialty Home Care in Washington, District of Columbia. Dmand AI also links Dr. Varnum to 1 group practice or clinic.
What is Dr. Catherine Anne Varnum's office phone number?
The practice phone on file for Dr. Varnum is (202) 829-1719.
What is Dr. Catherine Anne Varnum's medical license number?
Dr. Varnum holds District of Columbia license MD048669.
Which hospitals is Dr. Catherine Anne Varnum affiliated with?
Dr. Varnum is affiliated with The George Washington University Hospital.
What medical group is Dr. Catherine Anne Varnum part of?
Dr. Varnum is linked to The GW Medical Faculty Associates.
Does Dr. Catherine Anne Varnum accept Medicare?
Yes. CMS data shows Dr. Varnum billed Medicare for 706 services in 2024, and Dr. Varnum accepts Medicare assignment.
Does Dr. Catherine Anne Varnum offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Varnum as offering telehealth services.
How many Medicare patients does Dr. Catherine Anne Varnum see?
CMS counts 366 Medicare patients who saw Dr. Varnum in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Catherine Anne Varnum bill to Medicare?
In 2024, Dr. Varnum's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and medicare service (G2211).
Where did Dr. Catherine Anne Varnum go to medical school?
Dr. Varnum graduated from University of Maryland School of Medicine in 2017.
What drugs does Dr. Catherine Anne Varnum prescribe most?
In 2024 Medicare Part D data, Dr. Varnum's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Catherine Anne Varnum been practicing?
Dr. Varnum graduated from medical school in 2017, 9 years ago.
Does Dr. Catherine Anne Varnum do research?
Dmand AI links 2 publications to Dr. Varnum, published from 2014 to 2015.
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