NPPES file of Aug 9, 2026

Patrick Joseph Riddle, M.D.

Ophthalmology Physician · Nashua, NH

Patrick Joseph Riddle, M.D. is an ophthalmology physician with a practice address in Nashua, New Hampshire, and NPI 1811992993, issued on Jun 16, 2005. Check the license (New Hampshire 6907, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811992993
Name
Patrick Joseph Riddle
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
6907 NH
12369 NE
Self-reported in NPPES; status is on the state search
Practice location
5 Coliseum Ave, Nashua, NH 03063
Phone
(603) 882-9800
Enumerated
Jun 16, 2005
Record last updated
Aug 11, 2022
Fax
(603) 882-0556
Medicare enrollment
Enrolled (PECOS I20080611000123); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 1971
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 5 Coliseum Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lauren Baldigo, LMTMassage Therapist1649435454
  2. Faith Birnbaum, M.D.Ophthalmology Physician1972951986
  3. Timothy Blake, M.D.Ophthalmology Physician1891790986
  4. Michelle BroganOther Technician1215213988
  5. John Dagianis, M.D.Ophthalmology Physician1972508026
  6. Sonalee Desai-Bartoli, M.D.Glaucoma Specialist (Ophthalmology) Physician1568418028

Verify Patrick Joseph Riddle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 6907
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Hampshire license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

65% fewer Medicare Part D claims than the average ophthalmology physician in 2024

529 Medicare Part D claims for 166 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Patrick Riddle529
  2. Specialty average1,518

Most prescribed

  1. Latanoprost146 claims
  2. Timolol Maleate88 claims
  3. Brimonidine Tartrate41 claims
  4. Dorzolamide Hcl28 claims
  5. Neomycin-Polymyxin-Dexameth28 claims
  6. Restasis24 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): 95.3 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.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%84.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $865.78

40 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.

  1. Patrick Riddle$865.78
  2. Specialty average$4,535.02

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

  1. Nashua Eye Associates PANashua, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Patrick Joseph Riddle among 99 ophthalmology physician records in New Hampshire

Patrick Joseph Riddle, M.D. is one of 99 ophthalmology physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 79% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1971 · median 2004 among the 65 with a school on file
  • Record last updated2022 · 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in New Hampshire

There are 99 ophthalmology physician records in New Hampshire.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Faith Birnbaum, M.D.Nashua, NH 030631972951986
  2. Timothy Blake, M.D.Nashua, NH 030631891790986
  3. John Dagianis, M.D.Nashua, NH 030631972508026
  4. Purak Parikh, M.D.Nashua, NH 030631205198629
  5. Charles Wingate, M.D.Nashua, NH 030631619972015
  6. Adam Beck, MDLondonderry, NH 030531003818600
  7. Francis Lamy, D.O.Londonderry, NH 030531700858941
  8. Mohamed Guenena, MDDerry, NH 030381730471459

Common questions

What is Patrick Joseph Riddle, M.D.'s NPI number?

Patrick Joseph Riddle, M.D.'s National Provider Identifier (NPI) is 1811992993, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Patrick Joseph Riddle, M.D. located?

The NPPES record lists a practice address at 5 Coliseum Ave, Nashua, NH, 03063. Phone: (603) 882-9800. Providers update this record themselves, so call before visiting.

How can I verify Patrick Joseph Riddle, M.D.'s license?

NPPES lists New Hampshire license number 6907, 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 Patrick Joseph Riddle, M.D. prescribe under Medicare Part D?

In 2024, Patrick Joseph Riddle, M.D. had 529 Medicare Part D claims for 166 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Patrick Joseph Riddle, M.D.'s MIPS final score?

The 2023 MIPS final score is 95.3 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.