Nancy Diane Efferson-Bonachea, M.D.
Ophthalmology Physician · Manchester, NH
Nancy Diane Efferson-Bonachea, M.D. is an ophthalmology physician with a practice address in Manchester, New Hampshire, and NPI 1932173234, issued on Feb 14, 2006. Check the license (New Hampshire 12932, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nancy Diane Efferson-Bonachea
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 12932 NH
Self-reported in NPPES; status is on the state search - Practice location
- 764 2ND St, Manchester, NH 03102
- Phone
- (603) 669-3925
- Enumerated
- Feb 14, 2006
- Record last updated
- Jul 5, 2024
- Medicaid ID
- 3072739 NH
- Medicare enrollment
- Enrolled (PECOS I20050927001190); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1990
- Entity
- Type 1 · individual
Also registered at 764 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Degregorio, M.D.Retina Specialist (Ophthalmology) Physician1508850827
- Radhika Demary, O.D.Optometrist1942683842
- Vasilios Lazos, D.O.Ophthalmology Physician1285613521
- Kimberly Licciardi, MDOphthalmology Physician1104976885
- Christiana Munroe, MDOphthalmology Physician1386089829
- Asja Pinkham, O.D.Optometrist1679913016
Verify Nancy Diane Efferson-Bonachea in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 12932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average ophthalmology physician in 2024
180 Medicare Part D claims for 39 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Latanoprost54 claims
- Timolol Maleate30 claims
- Brimonidine Tartrate27 claims
- Prednisolone Acetate25 claims
- Ketorolac Tromethamine20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $87.80
4 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, 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 one group practice
- NH Eye Associates PLLCManchester, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in New Hampshire
There are 99 ophthalmology physician records in New Hampshire.
Other ophthalmology physician records in New Hampshire
- Heather Bartels, MDPeterborough, NH1386098648
- Claudia Bartolini, MDPortsmouth, NH1497071096
- Nikhil Batra, M.D.Lebanon, NH1154550895
- Adam Beck, MDLondonderry, NH1003818600
- Thomas Bennett, MDDover, NH1245335249
- Faith Birnbaum, M.D.Nashua, NH1972951986
- Timothy Blake, M.D.Nashua, NH1891790986
- William Bloom, MDHanover, NH1285664821
- Carol Boerner, M.D.Claremont, NH1841231735
- Sara Bozorg, M.D.Manchester, NH1891959037
Common questions
What is Nancy Diane Efferson-Bonachea, M.D.'s NPI number?
Nancy Diane Efferson-Bonachea, M.D.'s National Provider Identifier (NPI) is 1932173234, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Diane Efferson-Bonachea, M.D. located?
The NPPES record lists a practice address at 764 2ND St, Manchester, NH, 03102. Phone: (603) 669-3925. Providers update this record themselves, so call before visiting.
How can I verify Nancy Diane Efferson-Bonachea, M.D.'s license?
NPPES lists New Hampshire license number 12932, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nancy Diane Efferson-Bonachea, M.D. prescribe under Medicare Part D?
In 2024, Nancy Diane Efferson-Bonachea, M.D. had 180 Medicare Part D claims for 39 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Nancy Diane Efferson-Bonachea, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.