Dr. Sisay G. Dejene, MD
- Medicare services, 2024
- 951
- Medicare patients, 2024
- 308
- Part D claims, 2024
- 470
- Hospital affiliations
- 5
- Industry payments
- $34
- Practice address
- 4600 Spotsylvania Parkway, Fredericksburg, VA 22408
- Practice phone
- Call (540) 498-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dejene's professional email, personal email and mobile number
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Dr. Sisay G. Dejene is an internist in Fredericksburg, Virginia
Dr. Dejene practices at Spotsylvania Regional Medical Center in Fredericksburg, Virginia, part of HCA Healthcare.
Dr. Dejene's NPI, 1558821876, was assigned on March 22, 2019. Dr. Dejene holds Virginia license 0101274818.
- NPI
- 1558821876NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557730165
- NPI enumeration date
- March 22, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 498-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sisay G. Dejene practices at Spotsylvania Regional Medical Center in Fredericksburg, Virginia
Dr. Dejene's primary practice is Spotsylvania Regional Medical Center, at 4600 Spotsylvania Parkway, Fredericksburg, VA 22408 in Spotsylvania County. The practice phone is (540) 498-4000.
- Spotsylvania Regional Medical Center4600 Spotsylvania Parkway, Fredericksburg, VA 22408 · Spotsylvania CountyPhone(540) 498-4000
Source: Dmand AI Affiliation Data
Dr. Sisay G. Dejene is affiliated with 5 sites of care and 3 medical groups
Dr. Dejene's primary practice is Spotsylvania Regional Medical Center in Fredericksburg, Virginia, part of HCA Healthcare. Dr. Dejene is also affiliated with Inova Fairfax Hospital. The medical group on file is Emergency Medicine Physicians (EMP). Dmand AI also links Dr. Dejene to 3 more hospitals and 2 medical groups, 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. Sisay G. Dejene's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dejene practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spotsylvania Regional Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sisay G. Dejene is one of 3,339 internists in Virginia
Internal medicine is Dr. Dejene's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dejene is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Dejene
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. Sisay G. Dejene billed Medicare for 951 services in 2024
CMS data shows 951 Medicare services from Dr. Dejene across 5 procedure codes in 2024, for 308 Medicare patients. Medicare paid $75,654 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dejene's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1582024: 95118%
Dr. Dejene compared with the Virginia median for internists, 2024
- Dr. Dejene
- Virginia median
- Medicare services
- 951vs 60757% above
- Medicare patients
- 308vs 24625% above
- Part D claims
- 253vs 22413% above
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Dejene'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sisay G. Dejene treated 308 Medicare patients in 2024, average age 75
CMS counts 308 Medicare patients who saw Dr. Dejene in 2024. The largest group is 75 to 84, with 106 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.25, 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. Dejene's median patient age at 65, with 48% women.
Dr. Dejene's Medicare patients by age, 2024
Dr. Dejene's Medicare patients by sex, 2024
- Women17156%
- Men13744%
Chronic conditions among Dr. Dejene's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease53%
- Arthritis52%
- Chronic kidney disease52%
- Diabetes48%
- Heart failure48%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dejene's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sisay G. Dejene wrote 470 Medicare Part D claims in 2024
In 2024, Dr. Dejene wrote 470 Medicare Part D claims for 215 patients. 86% of them were for generic drugs. CMS names the drug for 253 of them, across 15 drugs with 11 or more claims each, at $7,157 in total drug cost. In 2023, CMS named 203 claims across 13 drugs.
Dr. Dejene's Part D claims by kind of drug, 2024
- Generic406 claims86%
- Brand-name and other64 claims14%
Dr. Dejene'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. Dejene's Part D claims, 2024
- Opioids3%16 of 470 claims
- Antibiotics19%88 of 470 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: 2032024: 25325%
Drugs named by CMS: 15 in 2024, 13 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
How Dr. Sisay G. Dejene takes part in Medicare
Dr. Dejene 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. Sisay G. Dejene received $34 in industry payments in 2022
CMS Open Payments shows 2 general payments to Dr. Dejene from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $34.
Companies that paid Dr. Dejene the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sisay G. Dejene'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. Sisay G. Dejene
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. Sisay G. Dejene's NPI number?
Dr. Sisay G. Dejene's NPI number is 1558821876. It was assigned on March 22, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Sisay G. Dejene?
Dr. Sisay G. Dejene is an internist in Fredericksburg, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sisay G. Dejene practice?
Dr. Dejene practices at 4600 Spotsylvania Parkway, Fredericksburg, VA 22408. Dr. Dejene's primary practice is Spotsylvania Regional Medical Center in Fredericksburg, Virginia, part of HCA Healthcare. Dmand AI also links Dr. Dejene to 3 hospitals and 2 medical groups.
What is Dr. Sisay G. Dejene's office phone number?
The practice phone on file for Dr. Dejene is (540) 498-4000.
What is Dr. Sisay G. Dejene's medical license number?
Dr. Dejene holds Virginia license 0101274818.
Which hospitals is Dr. Sisay G. Dejene affiliated with?
Dr. Dejene practices at Spotsylvania Regional Medical Center in Fredericksburg, Virginia. Dr. Dejene is also affiliated with Inova Fairfax Hospital. Dmand AI links Dr. Dejene to 3 more hospitals.
What medical group is Dr. Sisay G. Dejene part of?
Dr. Dejene is linked to Emergency Medicine Physicians (EMP). Dmand AI links Dr. Dejene to 2 more medical groups.
Does Dr. Sisay G. Dejene accept Medicare?
Yes. CMS data shows Dr. Dejene billed Medicare for 951 services in 2024, and Dr. Dejene accepts Medicare assignment.
How many Medicare patients does Dr. Sisay G. Dejene see?
CMS counts 308 Medicare patients who saw Dr. Dejene in 2024, with an average age of 75.
What services does Dr. Sisay G. Dejene bill to Medicare?
In 2024, Dr. Dejene's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99238).
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What drugs does Dr. Sisay G. Dejene prescribe most?
In 2024 Medicare Part D data, Dr. Dejene's most prescribed drugs by claims were Prednisone, Atorvastatin Calcium and Nitrofurantoin Mono-Macro.
Has Dr. Sisay G. Dejene received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Dr. Dejene from 1 company from 2022 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Sisay G. Dejene been practicing?
Dr. Dejene graduated from medical school in 2005, 21 years ago.
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