Diane Elizabeth Singer, M.D.
Ophthalmology Physician · Great Barrington, MA
Diane Elizabeth Singer, M.D. is an ophthalmology physician with a practice address in Great Barrington, Massachusetts, and NPI 1275554826, issued on Jul 21, 2006. Check the license (Massachusetts 243111, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Diane Elizabeth Singer
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 243111 MA
055449 GA
Self-reported in NPPES; status is on the state search - Practice location
- 409 Stockbridge RD, Great Barrington, MA 01230
- Phone
- (413) 445-4564
- Enumerated
- Jul 21, 2006
- Record last updated
- Jan 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (413) 448-2727
- Medicare enrollment
- Enrolled (PECOS I20101020000184); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Massachusetts → Look up another NPI →
Also registered at 409 Stockbridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Gold, M.D.Ophthalmology Physician1649243809
Verify Diane Elizabeth Singer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 243111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average ophthalmology physician in 2024
1,631 Medicare Part D claims for 436 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Latanoprost676 claims
- Brimonidine Tartrate143 claims
- Timolol Maleate136 claims
- Ofloxacin79 claims
- Dorzolamide-Timolol66 claims
- Dorzolamide Hcl57 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $77.77
4 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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 2 group practices
- Berkshire Eye Center PCPittsfield, MA
- Community Health Programs IncGreat Barrington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Elizabeth Singer among 791 ophthalmology physician records in Massachusetts
Diane Elizabeth Singer, M.D. is one of 791 ophthalmology physician records with a practice address in Massachusetts. 76% 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 23% of them.
- NPI issued2006 · 23% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1993 · median 2002 among the 518 with a school on file
- Record last updated2016 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Massachusetts
There are 791 ophthalmology physician records in Massachusetts.
All 791 in Massachusetts → Every provider in Great Barrington → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Joseph Gold, M.D.Great Barrington, MA 012301649243809
- Stephen Moore, MDGt Barrington, MA 012301649384793
- Estela Ogiste, MD, PHDNorth Adams, MA 012471780684902
- Neal Ginsberg, M.D.Pittsfield, MA 012011801839287
- Fred Orlando, M.D.Pittsfield, MA 012011598708968
- Gregory Shouldice, M.D.Pittsfield, MA 012011720027188
- Nigel Stippa, M.D.Pittsfield, MA 012011104200468
- Marcin Zygawski, M.D.Pittsfield, MA 012011396747556
Common questions
What is Diane Elizabeth Singer, M.D.'s NPI number?
Diane Elizabeth Singer, M.D.'s National Provider Identifier (NPI) is 1275554826, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Elizabeth Singer, M.D. located?
The NPPES record lists a practice address at 409 Stockbridge RD, Great Barrington, MA, 01230. Phone: (413) 445-4564. Providers update this record themselves, so call before visiting.
How can I verify Diane Elizabeth Singer, M.D.'s license?
NPPES lists Massachusetts license number 243111, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diane Elizabeth Singer, M.D. prescribe under Medicare Part D?
In 2024, Diane Elizabeth Singer, M.D. had 1,631 Medicare Part D claims for 436 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Diane Elizabeth Singer, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.