DR. NAHALL M LARSEN (O.D.) – Optometrist, NPI 1619987567
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,116 OPTOMETRY in MA
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Provider Addresses for DR. NAHALL M LARSEN (O.D.)
3, Calvins Lane, Sterling, Worcester County, Massachusetts, 01564, United States
STERLING, MA 01564
Phone: (978) 563-1600
Type: Mailing
Tesla Supercharger, 100, Commercial Road, The Mall at Whitney Field, Leominster, Worcester County, Massachusetts, 01453, United States
LEOMINSTER, MA 01453
Phone: (978) 534-5148
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $51.
Total Amount is formed as General ($51) + Research ($0) + Ownership ($0) = $51.
Last reported payment date: 2024-10-25 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($23).
Total Amount
$51
General + Research + Ownership
Payments
3
Total payment records
General Amount
$51
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bausch & Lomb Americas Inc. | $23 |
| Tarsus Pharmaceuticals, Inc. | $14 |
| Alcon Vision LLC | $14 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-11-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20041115000798 | I | Optometry | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92250 | Photography of the retina | 100 | 97 | $0 |
| 92285 | Photography of content of eyes | 82 | 81 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 51 | 50 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $0 |
Insurance plans in this area (ZIP 01564)
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