Nahall M. Larsen, O.D.
Optometrist · Leominster, MA
Nahall M. Larsen, O.D. is an optometrist with a practice address in Leominster, Massachusetts, and NPI 1619987567, issued on Aug 9, 2006. Check the license (Massachusetts 3991, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nahall M. Larsen
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3991 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Commercial RD, Leominster, MA 01453
- Phone
- (978) 534-5148
- Enumerated
- Aug 9, 2006
- Record last updated
- Oct 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041115000798); may accept Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1996
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Verify Nahall M. Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 3991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $28.03
2 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nahall M. Larsen among 1,501 optometrist records in Massachusetts
Nahall M. Larsen, O.D. is one of 1,501 optometrist records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 56% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1996 · median 2008 among the 933 with a school on file
- Record last updated2014 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Massachusetts
There are 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in Leominster → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Joel Abraham, O.D.Leominster, MA 014531326187576
- Thedalisa AckepLeominster, MA 014531003748104
- Mark Fontaine, O.D.Leominster, MA 014531710026943
- Thomas Maher, O.D.Leominster, MA 014531053332528
- John Mooney, O.D.Leominster, MA 014531730283292
- Kay Ricciotti, O.D.Leominster, MA 014531699777078
- Paul Shepherd, O.D.Leominster, MA 014531558648279
- Henry Valentine, O.D.Leominster, MA 014531477760163
Common questions
What is Nahall M. Larsen, O.D.'s NPI number?
Nahall M. Larsen, O.D.'s National Provider Identifier (NPI) is 1619987567, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nahall M. Larsen, O.D. located?
The NPPES record lists a practice address at 100 Commercial RD, Leominster, MA, 01453. Phone: (978) 534-5148. Providers update this record themselves, so call before visiting.
How can I verify Nahall M. Larsen, O.D.'s license?
NPPES lists Massachusetts license number 3991, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.