Helen Lim, OD
NPI 1801880406 · Optometrist · Memphis, TN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Lim, OD is a Optometrist provider in Memphis, TN (NPI 1801880406).
Provider details
- NPI number
- 1801880406
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- Yes
- License
- ODT1382 (TN)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
117 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 54 | $49 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $83 |
| Exam of Visual Field With Extended Testing92083 | 15 | $57 |
| Imaging of Optic Nerve92133 | 15 | $33 |
Typical Medicare-allowed amounts for these services range $33–$83 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 276 | 92 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 162 | 43 |
| Bimatoprostbrand: Lumigan | 91 | 24 |
| Timolol Maleate | 35 | 11 |
| Brimonidine Tartrate/Timololbrand: Combigan | 33 | — |
| Prednisolone Acetate | 28 | 27 |
| Travoprost | 27 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-09
- Last updated
- 2008-05-28
Frequently asked questions
- What is Helen Lim's NPI number?
- Helen Lim's National Provider Identifier (NPI) is 1801880406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Lim's specialty?
- Helen Lim is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Helen Lim located?
- Helen Lim's practice location on file with NPPES is 4064 S Plaza Dr, Memphis, TN 38116-6335.
- What is Helen Lim's phone number?
- The practice phone number listed in the NPPES registry for Helen Lim is (901) 345-8464.
- Does Helen Lim accept Medicare?
- Helen Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Lim's NPI active?
- Yes — Helen Lim's NPI (1801880406) is active in the NPPES registry as of the last update on 2008-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.