Joshua Cherng, OD
NPI 1780376996 · Optometrist · Lancaster, MA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Cherng, OD is a Optometrist provider in Lancaster, MA (NPI 1780376996).
Provider details
- NPI number
- 1780376996
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- OPT5734 (MA)
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
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
198 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $91 |
| Established Patient Complete Exam of Visual System92014 | 48 | $127 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $128 |
| New Patient Complete Exam of Visual System92004 | 26 | $150 |
| Imaging of Optic Nerve92133 | 18 | $36 |
| Imaging of Retina92134 | 17 | $41 |
Typical Medicare-allowed amounts for these services range $36–$150 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 1 distinct drug on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 21 | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$399 across 12 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 (5)
- 100 Powdermill RdActon, MA 01720-5932Phone: (978) 897-7212Fax: (978) 461-0345
- 413 Main StAthol, MA 01331-1842Phone: (978) 249-4209Fax: (978) 249-4102
- 74 Main StGardner, MA 01440-2634Phone: (978) 632-3930Fax: (978) 632-3158
- 865 Merriam Ave Ste 119Leominster, MA 01453-1230Phone: (978) 537-6045Fax: (978) 534-9845
- 255 Park Ave Ste 606Worcester, MA 01609-1930Phone: (508) 753-1032Fax: (508) 755-5705
Registry dates
- Enumerated
- 2023-05-24
- Last updated
- 2024-09-19
- Certified
- 2024-09-19
Frequently asked questions
- What is Joshua Cherng's NPI number?
- Joshua Cherng's National Provider Identifier (NPI) is 1780376996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Cherng's specialty?
- Joshua Cherng is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Joshua Cherng located?
- Joshua Cherng's practice location on file with NPPES is 479 Old Union Tpke, Lancaster, MA 01523-3029.
- What is Joshua Cherng's phone number?
- The practice phone number listed in the NPPES registry for Joshua Cherng is (978) 537-3900.
- Does Joshua Cherng accept Medicare?
- Joshua Cherng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Cherng's NPI active?
- Yes — Joshua Cherng's NPI (1780376996) is active in the NPPES registry as of the last update on 2024-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.