NPPES file of Aug 9, 2026

Leah Lynn Kammerdiener, M.D.

Ophthalmology Physician · Warwick, RI

Leah Lynn Kammerdiener, M.D. is an ophthalmology physician with a practice address in Warwick, Rhode Island, and NPI 1013279496, issued on Jun 12, 2012. Check the license (Rhode Island MD18779, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1013279496
Name
Leah Lynn Kammerdiener
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
MD18779 RI
ME129068 FL
34779 SC
LL 34779 SC
Self-reported in NPPES; status is on the state search
Practice location
566 Toll Gate RD, Warwick, RI 02886
Phone
(401) 738-4800
Enumerated
Jun 12, 2012
Record last updated
Oct 3, 2022
Fax
(401) 738-5183
Medicare enrollment
Enrolled (PECOS I20221022000052); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2012
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.
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8 nearest ophthalmology physician records → All 85 in Rhode Island → Look up another NPI →

Also registered at 566 Toll Gate RD

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

  1. Stephanie Costa, CNPNurse Practitioner1083101174
  2. Richard Crute, OPTICIANOptician1134299381
  3. Andrea Depoutot, ODOptometrist1366133555
  4. Vikrant Donthamsetti, D.OOphthalmology Physician1871895110
  5. Lawrence Ehrlich, M.D.Ophthalmology Physician1790713410
  6. Tiffany Graham, O.D.Optometrist1043704794

Verify Leah Lynn Kammerdiener in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD18779    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 Rhode Island license search

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2.5 times the Medicare Part D claims of the average ophthalmology physician in 2024

3,773 Medicare Part D claims for 678 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. Leah Kammerdiener3,773
  2. Specialty average1,518

Most prescribed

  1. Latanoprost1,044 claims
  2. Dorzolamide-Timolol368 claims
  3. Timolol Maleate350 claims
  4. Brimonidine Tartrate348 claims
  5. Prednisolone Acetate335 claims
  6. Dorzolamide Hcl237 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.

Industry payments in 2024: $923.63

27 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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. Leah Kammerdiener$923.63
  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. Koch Eye Associates LLPWarwick, RI

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

Leah Lynn Kammerdiener among 85 ophthalmology physician records in Rhode Island

Leah Lynn Kammerdiener, M.D. is one of 85 ophthalmology physician records with a practice address in Rhode Island. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 91% of them.

  • NPI issued2012 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2012 · median 1993 among the 55 with a school on file
  • Record last updated2022 · 74% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Rhode Island

There are 85 ophthalmology physician records in Rhode Island.

All 85 in Rhode Island → Every provider in Warwick → Ophthalmology Physician nationwide →

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Charles Calenda, M.D.Warwick, RI 028861275557720
  2. Barbara Dodsworth-Feldman, M.D.Warwick, RI 028861073670428
  3. Lawrence Ehrlich, M.D.Warwick, RI 028861790713410
  4. Arthur Geltzer, MDWarwick, RI 028861750399697
  5. Stephen Grimes, M.D.Warwick, RI 028861730175415
  6. Paul Koch, M.D.Warwick, RI 028861538125414
  7. Thomas Leddy, MDWarwick, RI 028861689631699
  8. Richard Luck, D.O.Warwick, RI 028861588664379

Common questions

What is Leah Lynn Kammerdiener, M.D.'s NPI number?

Leah Lynn Kammerdiener, M.D.'s National Provider Identifier (NPI) is 1013279496, issued on Jun 12, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Leah Lynn Kammerdiener, M.D. located?

The NPPES record lists a practice address at 566 Toll Gate RD, Warwick, RI, 02886. Phone: (401) 738-4800. Providers update this record themselves, so call before visiting.

How can I verify Leah Lynn Kammerdiener, M.D.'s license?

NPPES lists Rhode Island license number MD18779, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Leah Lynn Kammerdiener, M.D. prescribe under Medicare Part D?

In 2024, Leah Lynn Kammerdiener, M.D. had 3,773 Medicare Part D claims for 678 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.