Aspen Chun, OD
NPI 1508436759 · Optometrist · Bethesda, MD
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aspen Chun, OD is a Optometrist provider in Bethesda, MD (NPI 1508436759).
Provider details
- NPI number
- 1508436759
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- TA2872 (MD)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,430 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Microfluid Analysis of Tears83861 | 1,544 | $22 |
| Photography of the Retina92250 | 463 | $40 |
| Established Patient Complete Exam of Visual System92014 | 369 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 235 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 230 | $138 |
| Imaging of Retina92134 | 124 | $44 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 192 | 91 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 66 | 30 |
| Bimatoprostbrand: Lumigan | 61 | 28 |
| Timolol Maleate | 59 | 24 |
| Brimonidine Tartrate | 43 | 28 |
| Cyclosporinebrand: Restasis | 37 | 22 |
| Prednisolone Acetate | 32 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$406 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3801 International Dr Ste 208Silver Spring, MD 20906-1550Phone: (301) 493-9600
Registry dates
- Enumerated
- 2021-06-30
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Aspen Chun's NPI number?
- Aspen Chun's National Provider Identifier (NPI) is 1508436759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aspen Chun's specialty?
- Aspen Chun is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Aspen Chun located?
- Aspen Chun's practice location on file with NPPES is 6720a Rockledge Dr Ste 200, Bethesda, MD 20817-9915.
- What is Aspen Chun's phone number?
- The practice phone number listed in the NPPES registry for Aspen Chun is (301) 493-9600.
- Does Aspen Chun accept Medicare?
- Aspen Chun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aspen Chun's NPI active?
- Yes — Aspen Chun's NPI (1508436759) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.