Doctor profile · Federal record

Dr. Nahall Larsen, O.D.

Optometrist (CMS: Optometry) · Leominster, MA

  • NPI 1619987567
  • 30 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Commercial RD
Leominster, MA 01453
(978) 534-5148
Mailing address
3 Calvins Ln
Sterling, MA 01564

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 23, 2014
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Massachusetts #3991

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619987567. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
271
Distinct HCPCS
4
Medicare allowed
$17,795
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 100 97 $34
92285 Photography of content of eyes 82 81 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 51 50 $124
99204 New patient office or other outpatient visit, 45-59 minutes 38 38 $162

In context: peer comparison

Among 5 peers in Leominster Optometrist, average services per provider: 134. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$28
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Tarsus Pharmaceuticals, INC. 1 $14.28
Alcon Vision LLC 1 $13.75

By nature of payment

Food and Beverage
$28

Frequently asked questions

Auto-generated from federal data
What is Dr. Nahall Larsen's medical specialty?
Dr. Nahall Larsen practices Optometrist in Leominster, MA.
Where does Dr. Nahall Larsen practice?
Dr. Nahall Larsen practices at 100 Commercial RD, Leominster, MA 01453. Office phone: 9785345148.
What is Dr. Nahall Larsen's NPI?
Dr. Nahall Larsen's National Provider Identifier (NPI) is 1619987567, issued by NPPES.
Does Dr. Nahall Larsen accept Medicare assignment?
Dr. Nahall Larsen does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Nahall Larsen commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Photography of content of eyes (HCPCS 92285); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.