Dr. Aashish Dewan, MD
- Medicare services, 2024
- 1,274
- Medicare patients, 2024
- 571
- Part D claims, 2024
- 381
- Hospital affiliations
- 2
- Industry payments
- $211
- Practice address
- 400 West Seventh St, Frederick, MD 21701
- Practice phone
- Call (240) 566-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dewan'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. Aashish Dewan is a family medicine physician in Frederick, Maryland
Dr. Dewan practices at Frederick Health Hospital in Frederick, Maryland, part of Frederick Health.
Dr. Dewan's NPI, 1619506979, was assigned on April 7, 2020. Dr. Dewan graduated from University of Toledo College of Medicine in 2020. Dr. Dewan holds Maryland license D98444.
- NPI
- 1619506979NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931553112
- NPI enumeration date
- April 7, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (240) 566-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aashish Dewan practices at Frederick Health Hospital in Frederick, Maryland
Dr. Dewan's primary practice is Frederick Health Hospital, at 400 West Seventh St, Frederick, MD 21701 in Frederick County. The practice phone is (240) 566-3300.
- Frederick Health Hospital400 West Seventh St, Frederick, MD 21701 · Frederick CountyPhone(240) 566-3300
Source: Dmand AI Affiliation Data
Dr. Aashish Dewan is affiliated with 4 sites of care and 4 medical groups
Dr. Dewan's primary practice is Frederick Health Hospital in Frederick, Maryland, part of Frederick Health. Dr. Dewan is also affiliated with MedStar Montgomery Medical Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Dewan to 3 more medical groups, 1 group practice or clinic and 1 home health agency, 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. Aashish Dewan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dewan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Frederick Health Hospital | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Frederick Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aashish Dewan is one of 1,698 family medicine physicians in Maryland
Family medicine is Dr. Dewan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Dewan is licensed in Maryland.
Specialties and state licenses
- Family medicine, MarylandPrimary
Family medicine physicians near Dr. Dewan
Counts of family medicine physicians 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. Aashish Dewan billed Medicare for 1,274 services in 2024
CMS data shows 1,274 Medicare services from Dr. Dewan across 7 procedure codes in 2024, for 571 Medicare patients. Medicare paid $112,275 for them.
Dr. Dewan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1122024: 1,2621027%
- Other services
- 2023: 02024: 12
Where Dr. Dewan's Medicare services took place, 2024
- In an office312%
- In a facility1,24398%
Dr. Dewan compared with the Maryland median for family medicine physicians, 2024
- Dr. Dewan
- Maryland median
- Medicare services
- 1,274vs 5162.5 times
- Medicare patients
- 571vs 2082.7 times
- Part D claims
- 143vs 75181% below
Medians across 1,659 family medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Dewan'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. Dewan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dewan and other family medicine physicians in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aashish Dewan treated 571 Medicare patients in 2024, average age 77
CMS counts 571 Medicare patients who saw Dr. Dewan in 2024. The largest group is 75 to 84, with 198 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.23, 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. Dewan's median patient age at 47, with 54% women.
Dr. Dewan's Medicare patients by age, 2024
Dr. Dewan's Medicare patients by sex, 2024
- Women32256%
- Men24944%
Chronic conditions among Dr. Dewan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Mood disorders55%
- Ischemic heart disease54%
- Depression48%
- Diabetes48%
- Anxiety44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dewan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aashish Dewan wrote 381 Medicare Part D claims in 2024
In 2024, Dr. Dewan wrote 381 Medicare Part D claims for 182 patients. 88% of them were for generic drugs. CMS names the drug for 143 of them, across 9 drugs with 11 or more claims each, at $656 in total drug cost.
Dr. Dewan's Part D claims by kind of drug, 2024
- Generic335 claims88%
- Brand-name and other46 claims12%
Dr. Dewan'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. Dewan's Part D claims, 2024
- Opioids5%18 of 381 claims
- Antibiotics22%84 of 381 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Aashish Dewan offers telehealth to Medicare patients
Dr. Dewan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dewan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Aashish Dewan received $211 in industry payments from 2023 to 2025
CMS Open Payments shows 3 general payments to Dr. Dewan from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $129.
General payments to Dr. Dewan by program year, 2023 to 2025
Companies that paid Dr. Dewan the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aashish Dewan graduated from University of Toledo College of Medicine
Dr. Dewan graduated from University of Toledo College of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aashish Dewan'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) |
| 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. Aashish Dewan
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. Aashish Dewan's NPI number?
Dr. Aashish Dewan's NPI number is 1619506979. It was assigned on April 7, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Aashish Dewan?
Dr. Aashish Dewan is a family medicine physician in Frederick, Maryland. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Aashish Dewan practice?
Dr. Dewan practices at 400 West Seventh St, Frederick, MD 21701. Dr. Dewan's primary practice is Frederick Health Hospital in Frederick, Maryland, part of Frederick Health. Dmand AI also links Dr. Dewan to 3 medical groups, 1 group practice or clinic and 1 home health agency.
What is Dr. Aashish Dewan's office phone number?
The practice phone on file for Dr. Dewan is (240) 566-3300.
What is Dr. Aashish Dewan's medical license number?
Dr. Dewan holds Maryland license D98444.
Which hospitals is Dr. Aashish Dewan affiliated with?
Dr. Dewan practices at Frederick Health Hospital in Frederick, Maryland. Dr. Dewan is also affiliated with MedStar Montgomery Medical Center.
What medical group is Dr. Aashish Dewan part of?
Dr. Dewan is linked to MedStar Medical Group. Dmand AI links Dr. Dewan to 3 more medical groups.
Does Dr. Aashish Dewan accept Medicare?
Yes. CMS data shows Dr. Dewan billed Medicare for 1,274 services in 2024, and Dr. Dewan accepts Medicare assignment.
Does Dr. Aashish Dewan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dewan as offering telehealth services.
How many Medicare patients does Dr. Aashish Dewan see?
CMS counts 571 Medicare patients who saw Dr. Dewan in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Aashish Dewan bill to Medicare?
In 2024, Dr. Dewan's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
Where did Dr. Aashish Dewan go to medical school?
Dr. Dewan graduated from University of Toledo College of Medicine in 2020.
What drugs does Dr. Aashish Dewan prescribe most?
In 2024 Medicare Part D data, Dr. Dewan's most prescribed drugs by claims were Prednisone, Amoxicillin-Clavulanate Potass and Amlodipine Besylate.
Has Dr. Aashish Dewan received payments from drug or device companies?
CMS Open Payments shows $211 in general payments to Dr. Dewan from 3 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Aashish Dewan been practicing?
Dr. Dewan graduated from medical school in 2020, 6 years ago.
Selling to family medicine practices?
See family medicine physicians in Maryland by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card