Dr. Maria Haejin Yoon, DO
- Industry payments
- $81
- Affiliated sites
- 4
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 23218 Brewers Tavern Way, Clarksburg, MD 20871
- Practice phone
- Call (301) 528-8181
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clarksburg Pediatrics
Clarksburg, Maryland
Find Dr. Yoon'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. Maria Haejin Yoon is a pediatrician in Clarksburg, Maryland
Dr. Yoon practices at Clarksburg Pediatrics in Clarksburg, Maryland.
Dr. Yoon's NPI, 1124683370, was assigned on May 2, 2019. Dr. Yoon holds Maryland license H0095041.
- NPI
- 1124683370NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082189329
- NPI enumeration date
- May 2, 2019
- NPI status
- Active
- Practice phone
- (301) 528-8181
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Maria Haejin Yoon practices at Clarksburg Pediatrics in Clarksburg, Maryland
Dr. Yoon's primary practice is Clarksburg Pediatrics, at 23218 Brewers Tavern Way, Clarksburg, MD 20871 in Montgomery County. The practice phone is (301) 528-8181.
- Clarksburg Pediatrics23218 Brewers Tavern Way, Clarksburg, MD 20871 · Montgomery CountyPhone(301) 528-8181
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Maria Haejin Yoon is affiliated with 5 sites of care and 4 medical groups
Dr. Yoon's primary practice is Clarksburg Pediatrics in Clarksburg, Maryland. The medical group on file is Clarksburg Pediatrics. Dmand AI also links Dr. Yoon to 4 more group practices and clinics and 3 medical groups, each 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. Maria Haejin Yoon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yoon practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clarksburg Pediatrics | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria Haejin Yoon is one of 1,376 pediatricians in Maryland
Pediatrics is Dr. Yoon's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Yoon is licensed in Maryland.
Specialties and state licenses
- Pediatrics, MarylandPrimary
Pediatricians near Dr. Yoon
Counts of pediatricians 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. Maria Haejin Yoon's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Yoon's median patient age at 12, with 48% women.
Dr. Yoon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women48%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Maria Haejin Yoon received $81 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Yoon from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. ALK-Abello, Inc paid the most, $24.
General payments to Dr. Yoon by program year, 2024 to 2025
Companies that paid Dr. Yoon the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Maria Haejin Yoon'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 |
| 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. Maria Haejin Yoon
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. Maria Haejin Yoon's NPI number?
Dr. Maria Haejin Yoon's NPI number is 1124683370. It was assigned on May 2, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria Haejin Yoon?
Dr. Maria Haejin Yoon is a pediatrician in Clarksburg, Maryland. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Maria Haejin Yoon practice?
Dr. Yoon practices at 23218 Brewers Tavern Way, Clarksburg, MD 20871. Dr. Yoon's primary practice is Clarksburg Pediatrics in Clarksburg, Maryland. Dmand AI also links Dr. Yoon to 4 group practices and clinics and 3 medical groups.
What is Dr. Maria Haejin Yoon's office phone number?
The practice phone on file for Dr. Yoon is (301) 528-8181.
What is Dr. Maria Haejin Yoon's medical license number?
Dr. Yoon holds Maryland license H0095041.
What medical group is Dr. Maria Haejin Yoon part of?
Dr. Yoon is linked to Clarksburg Pediatrics. Dmand AI links Dr. Yoon to 3 more medical groups.
Has Dr. Maria Haejin Yoon received payments from drug or device companies?
CMS Open Payments shows $81 in general payments to Dr. Yoon from 4 companies from 2024 to 2025. The largest total came from ALK-Abello, Inc.
How long has Dr. Maria Haejin Yoon been practicing?
Dr. Yoon graduated from medical school in 2013, 13 years ago.
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