Mary Frances Killian, OD
Optometrist · Groton, MA
Mary Frances Killian, OD is an optometrist with a practice address in Groton, Massachusetts, and NPI 1992374318, issued on Jun 21, 2021. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Frances Killian
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 0003700 CO
Self-reported in NPPES; status is on the state search - Practice location
- 24 Hoyts Wharf RD, Groton, MA 01450
- Phone
- (978) 877-1974
- Enumerated
- Jun 21, 2021
- Record last updated
- Jun 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210809003379); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Verify Mary Frances Killian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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: $292.31
3 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. 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.
Bills Medicare through one group practice
- Eye Care Associates OF CO LLCHighlands Ranch, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Frances Killian among 1,501 optometrist records in Massachusetts
Mary Frances Killian, OD 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 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2021 · median 2008 among the 933 with a school on file
- Record last updated2021 · 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).
2 optometrist records list a practice address in Groton
They are 2 of the 140 NPPES records with a practice address in Groton, and 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in Groton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Michael O'Neil, O.D.Groton, MA 014501407038656
- Joel Abraham, O.D.Leominster, MA 014531326187576
- Thedalisa AckepLeominster, MA 014531003748104
- Mark Fontaine, O.D.Leominster, MA 014531710026943
- Nahall Larsen, O.D.Leominster, MA 014531619987567
- Thomas Maher, O.D.Leominster, MA 014531053332528
- John Mooney, O.D.Leominster, MA 014531730283292
- Kay Ricciotti, O.D.Leominster, MA 014531699777078
Common questions
What is Mary Frances Killian, OD's NPI number?
Mary Frances Killian, OD's National Provider Identifier (NPI) is 1992374318, issued on Jun 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Frances Killian, OD located?
The NPPES record lists a practice address at 24 Hoyts Wharf RD, Groton, MA, 01450. Phone: (978) 877-1974. Providers update this record themselves, so call before visiting.
How can I verify Mary Frances Killian, OD's license?
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.