Dr. Akila Viswanathan, MD, MPH
- Medicare services, 2024
- 1,014
- Medicare patients, 2024
- 63
- Part D claims, 2017
- 13
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Practice address
- 600 N Wolfe St, Baltimore, MD 21287
- Practice phone
- Call (855) 662-3017
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Hospital Nelson/Harvey Building
Baltimore, Maryland
Find Dr. Viswanathan'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. Akila Viswanathan is a radiation oncologist in Baltimore, Maryland
Dr. Viswanathan practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
Dr. Viswanathan's NPI, 1780640458, was assigned on April 21, 2006. Dr. Viswanathan graduated from University of Pittsburgh School of Medicine in 1997. Dr. Viswanathan holds Massachusetts license 158294.
- NPI
- 1780640458NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840249660
- NPI enumeration date
- April 21, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (855) 662-3017
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Akila Viswanathan practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland
Dr. Viswanathan's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.
- Johns Hopkins Hospital Nelson/Harvey Building600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Akila Viswanathan is affiliated with 2 sites of care and 3 medical groups
Dr. Viswanathan's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Viswanathan is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Viswanathan to 2 more medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Akila Viswanathan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Viswanathan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Hospital Nelson/Harvey Building | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Akila Viswanathan is one of 100 radiation oncologists in Maryland
Radiation oncology is Dr. Viswanathan's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Viswanathan is licensed in Massachusetts.
Specialties and state licenses
- Radiation oncology, MassachusettsPrimary
Radiation oncologists near Dr. Viswanathan
Counts of radiation oncologists 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. Akila Viswanathan billed Medicare for 1,014 services in 2024
CMS data shows 1,014 Medicare services from Dr. Viswanathan across 14 procedure codes in 2024, for 63 Medicare patients. Medicare paid $78,125 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Viswanathan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5222024: 96885%
- Office and hospital visits
- 2023: 462024: 46No change
Dr. Viswanathan compared with the Maryland median for radiation oncologists, 2024
- Dr. Viswanathan
- Maryland median
- Medicare services
- 1,014vs 2,07651% below
- Medicare patients
- 63vs 24074% below
- Part D claims
- 13vs 2548% below
Medians across 93 radiation oncologists in Maryland with Dmand AI profiles that report each measure.
Dr. Viswanathan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Viswanathan and other radiation oncologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Akila Viswanathan treated 63 Medicare patients in 2024, average age 74
CMS counts 63 Medicare patients who saw Dr. Viswanathan in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have high cholesterol, and 71% have cancer. 22% are also on Medicaid. Their average risk score is 2.09, 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. Viswanathan's median patient age at 69, with 97% women.
Dr. Viswanathan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Viswanathan's Medicare patients, 2024
- High cholesterol75%
- Cancer71%
- High blood pressure70%
- Arthritis51%
- Osteoporosis33%
- Chronic kidney disease32%
- Anxiety30%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Viswanathan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women97%
- Men3%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Akila Viswanathan wrote 13 Medicare Part D claims in 2017
In 2017, Dr. Viswanathan wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $36 in total drug cost.
Dr. Viswanathan's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Akila Viswanathan scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Viswanathan for performance year 2024, reported as part of a group. CMS lists Dr. Viswanathan as offering telehealth.
- Offers telehealth
- Yes
Dr. Viswanathan's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Akila Viswanathan received $3,791 in industry payments from 2017 to 2025
CMS Open Payments shows 19 general payments to Dr. Viswanathan from 5 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 47% of the total. Elekta, Inc. paid the most, $1,974.
General payments to Dr. Viswanathan by program year, 2017 to 2025
General payments to Dr. Viswanathan by kind, 2017 to 2025
- Travel and lodging$1,77747%
- Food and beverage$1,26533%
- Honoraria$75020%
Companies that paid Dr. Viswanathan the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Akila Viswanathan graduated from University of Pittsburgh School of Medicine
Dr. Viswanathan graduated from University of Pittsburgh School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Akila Viswanathan'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Akila Viswanathan
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. Akila Viswanathan's NPI number?
Dr. Akila Viswanathan's NPI number is 1780640458. It was assigned on April 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Akila Viswanathan?
Dr. Akila Viswanathan is a radiation oncologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Akila Viswanathan practice?
Dr. Viswanathan practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Viswanathan's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Viswanathan to 2 medical groups.
What is Dr. Akila Viswanathan's office phone number?
The practice phone on file for Dr. Viswanathan is (855) 662-3017.
What is Dr. Akila Viswanathan's medical license number?
Dr. Viswanathan holds Massachusetts license 158294.
Which hospitals is Dr. Akila Viswanathan affiliated with?
Dr. Viswanathan is affiliated with The Johns Hopkins Hospital.
What medical group is Dr. Akila Viswanathan part of?
Dr. Viswanathan is linked to Johns Hopkins University. Dmand AI links Dr. Viswanathan to 2 more medical groups.
Does Dr. Akila Viswanathan accept Medicare?
Yes. CMS data shows Dr. Viswanathan billed Medicare for 1,014 services in 2024.
Does Dr. Akila Viswanathan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Viswanathan as offering telehealth services.
What is Dr. Akila Viswanathan's MIPS score?
Dr. Viswanathan's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Akila Viswanathan see?
CMS counts 63 Medicare patients who saw Dr. Viswanathan in 2024, with an average age of 74.
What services does Dr. Akila Viswanathan bill to Medicare?
In 2024, Dr. Viswanathan's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).
Where did Dr. Akila Viswanathan go to medical school?
Dr. Viswanathan graduated from University of Pittsburgh School of Medicine in 1997.
What drugs does Dr. Akila Viswanathan prescribe most?
In 2017 Medicare Part D data, Dr. Viswanathan's most prescribed drugs by claims were Omeprazole.
Has Dr. Akila Viswanathan received payments from drug or device companies?
CMS Open Payments shows $3,791 in general payments to Dr. Viswanathan from 5 companies from 2017 to 2025. The largest total came from Elekta, Inc.
How long has Dr. Akila Viswanathan been practicing?
Dr. Viswanathan graduated from medical school in 1997, 29 years ago.
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