NPPES file of Aug 9, 2026

Jessica Young Won Hahm, O.D.

Optometrist · Havre De Grace, MD

Jessica Young Won Hahm, O.D. is an optometrist with a practice address in Havre De Grace, Maryland, and NPI 1841858065, issued on Jun 3, 2019. Check the license (Maryland TA2643, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841858065
Name
Jessica Young Won Hahm
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
TA2643 MD
Self-reported in NPPES; status is on the state search
Practice location
2023 Pulaski Hwy, Havre De Grace, MD 21078
Phone
(410) 939-6477
Enumerated
Jun 3, 2019
Record last updated
Jun 3, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211214000393); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest optometrist records → All 924 in Maryland → Look up another NPI →

Also registered at 2023 Pulaski Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Daniel Byron, O.D.Optometrist1871943910
  2. Scott Doherty, O.D.Optometrist1740733179
  3. Meron Fitta, ODOptometrist1336872084
  4. Candice Giordano, MDOphthalmology Physician1609051499
  5. Leslie IbarraOptometrist1740159961
  6. Joanne Lee, ODOptometrist1548634124

Verify Jessica Young Won Hahm in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license TA2643    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Bread For The City,inc.Washington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jessica Young Won Hahm among 924 optometrist records in Maryland

Jessica Young Won Hahm, O.D. is one of 924 optometrist records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 84% of them.

  • NPI issued2019 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2019 · median 2005 among the 517 with a school on file
  • Record last updated2019 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 optometrist records list a practice address in Havre De Grace

They are 23 of the 360 NPPES records with a practice address in Havre De Grace, and 924 optometrist records in Maryland.

All 924 in Maryland → Every provider in Havre De Grace → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Greg Butterworth, O. D.Havre De Grace, MD 210781336116979
  2. Daniel Byron, O.D.Havre De Grace, MD 210781871943910
  3. Meredith Clark, O. D.Havre De Grace, MD 210781124382601
  4. Jeffrey Cohen, O. D.Havre De Grace, MD 210781770550071
  5. Scott Doherty, O.D.Havre De Grace, MD 210781740733179
  6. Judith Grifasi, O.D.Havre De Grace, MD 210781912909292
  7. David Heath, O. D.Harre De Grace, MD 210781467429282
  8. Aarthi Jude, O.D.Havre De Grace, MD 210781427473339

Common questions

What is Jessica Young Won Hahm, O.D.'s NPI number?

Jessica Young Won Hahm, O.D.'s National Provider Identifier (NPI) is 1841858065, issued on Jun 3, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Young Won Hahm, O.D. located?

The NPPES record lists a practice address at 2023 Pulaski Hwy, Havre De Grace, MD, 21078. Phone: (410) 939-6477. Providers update this record themselves, so call before visiting.

How can I verify Jessica Young Won Hahm, O.D.'s license?

NPPES lists Maryland license number TA2643, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.