BrainBrain NeoplasmsDiffusion Magnetic Resonance Imaging
Dr. Tejan P. Diwanji, MD
NPI1790129765PAC ID9234437401
- Medicare services, 2021
- 940
- Part D claims, 2024
- 72
- Publications
- 38
- Industry payments
- $176
- Affiliated sites
- 1
- Practice address
- 1701 Twin Springs Road, Halethorpe, MD 21227
- Practice phone
- Call (410) 737-5757
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Baltimore County Medical Center ASC
Surgery Center - Medicare-Certified · Halethorpe, Maryland
Find Dr. Diwanji's professional email, personal email and mobile number
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Dr. Tejan P. Diwanji is a radiation oncologist in Halethorpe, Maryland
Dr. Diwanji practices at South Baltimore County Medical Center ASC in Halethorpe, Maryland.
Dr. Diwanji's NPI, 1790129765, was assigned on April 22, 2013. Dr. Diwanji graduated from University of Maryland School of Medicine in 2013. Dr. Diwanji's Florida license number on file is ME135677.
NPI and contact details
- NPI
- 1790129765NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234437401
- NPI enumeration date
- April 22, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 737-5757
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tejan P. Diwanji practices at South Baltimore County Medical Center ASC in Halethorpe, Maryland
Dr. Diwanji's primary practice is South Baltimore County Medical Center ASC, at 1701 Twin Springs Road, Halethorpe, MD 21227. The practice phone is (410) 737-5757.
- South Baltimore County Medical Center ASC1701 Twin Springs Road, Halethorpe, MD 21227Phone(410) 737-5757
Source: Dmand AI Affiliation Data
Dr. Tejan P. Diwanji is affiliated with 1 site of care and 1 medical group
Dr. Diwanji's primary practice is South Baltimore County Medical Center ASC in Halethorpe, Maryland. The medical group on file is Mid-Atlantic Permanente Medical Group.
South Baltimore County Medical Center ASCPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tejan P. Diwanji's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diwanji practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Baltimore County Medical Center ASC | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tejan P. Diwanji is one of 100 radiation oncologists in Maryland
Radiation oncology is Dr. Diwanji's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Diwanji is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Diwanji's licenses on file in 4 states: Florida, District of Columbia, Maryland and Virginia.
Specialties and state licenses
- Radiation oncology, FloridaPrimary
- District of Columbia license
- Maryland license
- Virginia license
Radiation oncologists near Dr. Diwanji
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. Tejan P. Diwanji billed Medicare for 940 services in 2021
CMS data shows 940 Medicare services from Dr. Diwanji across 13 procedure codes in 2021. Medicare paid $65,886 for them.
Medicare services, 2021940
Paid by Medicare$65,886
Procedure codes13
Dr. Diwanji's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Imaging
- 2020: 6592021: 81023%
- Office and hospital visits
- 2020: 1412021: 1308%
Where Dr. Diwanji's Medicare services took place, 2021
- In an office192%
- In a facility92198%
Dr. Diwanji compared with the Maryland median for radiation oncologists, 2021
- Dr. Diwanji
- Maryland median
- Medicare services
- 940vs 2,07655% below
- Part D claims
- 18vs 2528% below
Medians across 93 radiation oncologists in Maryland with Dmand AI profiles that report each measure.
Dr. Diwanji's most billed Medicare procedure codes, 2021
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. Diwanji and other radiation oncologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tejan P. Diwanji's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Diwanji's median patient age at 64, with 61% women.
Dr. Diwanji's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Tejan P. Diwanji wrote 72 Medicare Part D claims in 2024
In 2024, Dr. Diwanji wrote 72 Medicare Part D claims for 37 patients. 94% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $260 in total drug cost. In 2021, CMS named 16 claims across 1 drug.
Part D claims, 202472
Drugs named by CMS1
Total drug cost$260
Part D patients37
Dr. Diwanji's Part D claims by kind of drug, 2024
- Generic68 claims94%
- Brand-name and other4 claims6%
Dr. Diwanji'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.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 162024: 1813%
Drugs named by CMS: 1 in 2024, 1 in 2021.
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
How Dr. Tejan P. Diwanji takes part in Medicare
Dr. Diwanji accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Tejan P. Diwanji has 38 publications on record
Dmand AI links 38 papers to Dr. Diwanji, published from 2013 to 2023. 2021 was the busiest year, with 9. The most frequent topics are Brain Neoplasms, Magnetic Resonance Imaging and Radiosurgery. Dr. Diwanji has published most often in Cureus. Dr. Diwanji's most frequent co-authors are Eric Albert Mellon, MD, PhD, Jason Kyle Molitoris, MD and Steven Joel Feigenberg, MD.
Papers38
Years published2013 to 2023
Dr. Diwanji's papers by year, 2013 to 2023
Topics Dr. Diwanji writes about most
- Brain Neoplasms
- Magnetic Resonance Imaging
- Radiosurgery
- Radiotherapy Planning, Computer-Assisted
- Breast Neoplasms
- Carcinoma, Non-Small-Cell Lung
- Lung Neoplasms
- Radiotherapy Dosage
Dr. Diwanji's most frequent co-authors
- Eric Albert Mellon, MD, PhD8 shared papers
- Jason Kyle Molitoris, MD8 shared papers
- Steven Joel Feigenberg, MD6 shared papers
Recent publications by Dr. Diwanji
Organs at RiskProstatic NeoplasmsProton Therapy
BrainBrain NeoplasmsMagnetic Resonance Imaging
Carcinoid TumorEar, MiddleEar Neoplasms
See who Dr. Diwanji researches with
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Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tejan P. Diwanji received $176 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Diwanji from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $176.
Companies that paid Dr. Diwanji the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tejan P. Diwanji graduated from University of Maryland School of Medicine
Dr. Diwanji graduated from University of Maryland School of Medicine in 2013.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Tejan P. Diwanji accepts plans from 3 insurance carriers
Dr. Diwanji is in network with 3 carriers, including Kaiser Permanente, Molina and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Kaiser Permanente
- Molina
- CMS Medicare
Plan types Dr. Diwanji accepts, by number of carriers
- Medicare3
- HMO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Tejan P. Diwanji'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 Data |
| 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Tejan P. Diwanji
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. Tejan P. Diwanji's NPI number?
Dr. Tejan P. Diwanji's NPI number is 1790129765. It was assigned on April 22, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Tejan P. Diwanji?
Dr. Tejan P. Diwanji is a radiation oncologist in Halethorpe, Maryland. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Tejan P. Diwanji practice?
Dr. Diwanji practices at 1701 Twin Springs Road, Halethorpe, MD 21227. Dr. Diwanji's primary practice is South Baltimore County Medical Center ASC in Halethorpe, Maryland.
What is Dr. Tejan P. Diwanji's office phone number?
The practice phone on file for Dr. Diwanji is (410) 737-5757.
What is Dr. Tejan P. Diwanji's medical license number?
Dr. Diwanji's Florida license number on file is ME135677, one of the licenses on file in 4 states.
Which states has Dr. Tejan P. Diwanji been licensed in?
Dmand AI has state licenses on file for Dr. Diwanji in Florida (2018 to 2022), District of Columbia (2021 to 2027), Maryland (2021 to 2026) and Virginia (2022 to 2026).
What medical group is Dr. Tejan P. Diwanji part of?
Dr. Diwanji is linked to Mid-Atlantic Permanente Medical Group.
Does Dr. Tejan P. Diwanji accept Medicare?
Yes. CMS data shows Dr. Diwanji billed Medicare for 940 services in 2021, and Dr. Diwanji accepts Medicare assignment.
Is Dr. Tejan P. Diwanji board certified?
Yes. Dr. Diwanji is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Tejan P. Diwanji bill to Medicare?
In 2021, Dr. Diwanji's most billed Medicare services were radiation oncology (77300), radiation oncology (77334) and office visit, established patient (99213).
Show 7 more questionsShow fewer questions
Where did Dr. Tejan P. Diwanji go to medical school?
Dr. Diwanji graduated from University of Maryland School of Medicine in 2013.
What drugs does Dr. Tejan P. Diwanji prescribe most?
In 2024 Medicare Part D data, Dr. Diwanji's most prescribed drugs by claims were Tamsulosin HCl.
Has Dr. Tejan P. Diwanji received payments from drug or device companies?
CMS Open Payments shows $176 in general payments to Dr. Diwanji from 1 company from 2019 to 2019. The largest total came from Medtronic USA, Inc.
How long has Dr. Tejan P. Diwanji been practicing?
Dr. Diwanji graduated from medical school in 2013, 13 years ago.
Does Dr. Tejan P. Diwanji do research?
Dmand AI links 38 publications to Dr. Diwanji, published from 2013 to 2023.
Who does Dr. Tejan P. Diwanji publish with?
Dr. Diwanji's most frequent co-authors are Eric Albert Mellon, MD, PhD (8 shared papers), Jason Kyle Molitoris, MD (8 shared papers) and Steven Joel Feigenberg, MD (6 shared papers).
What insurance does Dr. Tejan P. Diwanji accept?
Dr. Diwanji is in network with 3 carriers, including Kaiser Permanente, Molina and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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