Dr. Alin Ionescu, MD
- Part D claims, 2024
- 20
- Industry payments
- $63
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 1500 Forest Glen Rd, Silver Spring, MD 20910
- Practice phone
- Call (301) 754-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Holy Cross Hospital
Silver Spring, Maryland
Find Dr. Ionescu'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. Alin Ionescu is an OB-GYN in Silver Spring, Maryland
Dr. Ionescu practices at Holy Cross Hospital in Silver Spring, Maryland.
Dr. Ionescu's NPI, 1659675080, was assigned on December 28, 2010. Dr. Ionescu holds California license A139307.
- NPI
- 1659675080NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496041097
- NPI enumeration date
- December 28, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 754-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alin Ionescu practices at Holy Cross Hospital in Silver Spring, Maryland
Dr. Ionescu's primary practice is Holy Cross Hospital, at 1500 Forest Glen Rd, Silver Spring, MD 20910 in Montgomery County. The practice phone is (301) 754-7000.
- Holy Cross Hospital1500 Forest Glen Rd, Silver Spring, MD 20910 · Montgomery CountyPhone(301) 754-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alin Ionescu is affiliated with 2 sites of care and 1 medical group
Dr. Ionescu's primary practice is Holy Cross Hospital in Silver Spring, Maryland. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Ionescu to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alin Ionescu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ionescu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holy Cross Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alin Ionescu is one of 945 OB-GYNs in Maryland
Obstetrics and gynecology is Dr. Ionescu's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Ionescu's licenses on file in 2 states: California and Florida.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Gynecology, Florida
OB-GYNs near Dr. Ionescu
Counts of OB-GYNs 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. Alin Ionescu's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Dr. Ionescu's median patient age at 42, with 98% women.
Dr. Ionescu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women98%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Alin Ionescu wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Ionescu wrote 20 Medicare Part D claims. 95% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $93 in total drug cost.
Dr. Ionescu's Part D claims by kind of drug, 2024
- Generic19 claims95%
- Brand-name and other1 claims5%
Dr. Ionescu's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Alin Ionescu takes part in Medicare
Dr. Ionescu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alin Ionescu received $63 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Ionescu from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $63.
Companies that paid Dr. Ionescu the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alin Ionescu'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 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)Doctors and Clinicians Utilization Data (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. Alin Ionescu
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. Alin Ionescu's NPI number?
Dr. Alin Ionescu's NPI number is 1659675080. It was assigned on December 28, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Alin Ionescu?
Dr. Alin Ionescu is an OB-GYN in Silver Spring, Maryland. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Alin Ionescu practice?
Dr. Ionescu practices at 1500 Forest Glen Rd, Silver Spring, MD 20910. Dr. Ionescu's primary practice is Holy Cross Hospital in Silver Spring, Maryland. Dmand AI also links Dr. Ionescu to 1 group practice or clinic.
What is Dr. Alin Ionescu's office phone number?
The practice phone on file for Dr. Ionescu is (301) 754-7000.
What is Dr. Alin Ionescu's medical license number?
Dr. Ionescu holds California license A139307, one of the licenses on file in 2 states.
Which states has Dr. Alin Ionescu been licensed in?
Dmand AI has state licenses on file for Dr. Ionescu in California and Florida.
What medical group is Dr. Alin Ionescu part of?
Dr. Ionescu is linked to Mid-Atlantic Permanente Medical Group.
Does Dr. Alin Ionescu accept Medicare?
Yes. CMS lists Dr. Ionescu as accepting Medicare assignment.
What drugs does Dr. Alin Ionescu prescribe most?
In 2021 Medicare Part D data, Dr. Ionescu's most prescribed drugs by claims were Fluconazole.
Has Dr. Alin Ionescu received payments from drug or device companies?
CMS Open Payments shows $63 in general payments to Dr. Ionescu from 1 company from 2019 to 2019. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Alin Ionescu been practicing?
Dr. Ionescu graduated from medical school in 1998, 28 years ago.
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