Rachel Choi Bak, MD
Family Medicine Physician · Herndon, VA
Rachel Choi Bak, MD is a family medicine physician with a practice address in Herndon, Virginia, and NPI 1891215851, issued on Jun 21, 2017. Check the license (Virginia 0116030675, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Rachel Choi Bak
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0116030675 VA
Self-reported in NPPES; status is on the state search - Practice location
- 381 Elden St Suite 1000, Herndon, VA 20170
- Phone
- (703) 481-1505
- Enumerated
- Jun 21, 2017
- Record last updated
- Oct 19, 2022
- Fax
- (703) 955-7001
- Medicare enrollment
- Enrolled (PECOS I20180925000068); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Verify Rachel Choi Bak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0116030675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family medicine physician in 2024
1,352 Medicare Part D claims for 211 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium115 claims
- Levothyroxine Sodium72 claims
- Rosuvastatin Calcium66 claims
- Lisinopril49 claims
- Alprazolam34 claims
- Metformin Hcl32 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Fairfax Family Practice Centers PCHerndon, VA
- Inova Physician Partners LLCFairfax, VA
- Legacy Healthcare Services IncBurke, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel Choi Bak among 4,137 family medicine physician records in Virginia
Rachel Choi Bak, MD is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2004 among the 2,426 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 family medicine physician records list a practice address in Herndon
They are 27 of the 943 NPPES records with a practice address in Herndon, and 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Every provider in Herndon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jason Cooper, MDHerndon, VA 201701053305102
- Robin Donald, DOHerndon, VA 201701083742621
- Natasha Hofberg, CFNPHerndon, VA 201701326032376
- Cynthia Horner, MDHerndon, VA 201701922092220
- Shamim Imam, M.D.Herndon, VA 201701265513550
- Deborah Leavens, MDHerndon, VA 201701407840788
- Marc Plescia, MDHerndon, VA 201701497749121
- Janice Ragland, MDHerndon, VA 201701851385454
Common questions
What is Rachel Choi Bak, MD's NPI number?
Rachel Choi Bak, MD's National Provider Identifier (NPI) is 1891215851, issued on Jun 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Choi Bak, MD located?
The NPPES record lists a practice address at 381 Elden St Suite 1000, Herndon, VA, 20170. Phone: (703) 481-1505. Providers update this record themselves, so call before visiting.
How can I verify Rachel Choi Bak, MD's license?
NPPES lists Virginia license number 0116030675, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rachel Choi Bak, MD prescribe under Medicare Part D?
In 2024, Rachel Choi Bak, MD had 1,352 Medicare Part D claims for 211 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.