Leonard B. Nelson, M.D.
Ophthalmology Physician · Bala Cynwyd, PA
Leonard B. Nelson, M.D. is an ophthalmology physician with a practice address in Bala Cynwyd, Pennsylvania, and NPI 1093789679, issued on Feb 13, 2006. Check the license (Pennsylvania MD025037E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Leonard B. Nelson
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- MD025037E PA
25MA04991900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Presidential Blvd Ste 200, Bala Cynwyd, PA 19004
- Phone
- (484) 434-2700
- Enumerated
- Feb 13, 2006
- Record last updated
- Nov 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (610) 660-0419
- Medicaid IDs
- 000790768-0001 PA
000790768-0003 PA - Medicare enrollment
- Enrolled (PECOS I20040818000762); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1976
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 100 Presidential Blvd Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Regina Altemus, ODOptometrist1801316542
- Brandon Ayres, MDOphthalmology Physician1710985460
- Manpreet Bains, ODOptometrist1194249581
- Jacqueline Benoit, ODOptometrist1174182950
- Elizabeth Dale, MDOphthalmology Physician1811218332
- Brenton Finklea, M.D.Ophthalmology Physician1043553332
Verify Leonard B. Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD025037ECheck 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
175 Medicare Part D claims for 65 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.
Most prescribed
- Prednisolone Acetate66 claims
- Ofloxacin53 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): 88.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 4 group practices
- Center For Advanced Eye CareLanghorne, PA
- Lehigh Valley Eye Center, P.C.Philadelphia, PA
- Ophthalmic Partners PCBala Cynwyd, PA
- Wills Eye Ophthalmology Clinic, IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard B. Nelson among 1,088 ophthalmology physician records in Pennsylvania
Leonard B. Nelson, M.D. is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% 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 22% of them.
- NPI issued2006 · 22% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1976 · median 2000 among the 734 with a school on file
- Record last updated2020 · 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 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 ophthalmology physician records list a practice address in Bala Cynwyd
They are 31 of the 794 NPPES records with a practice address in Bala Cynwyd, and 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Bala Cynwyd → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Brandon Ayres, MDBala Cynwyd, PA 190041710985460
- Sylvia Beck, M.D.Bala Cynwyd, PA 190041841263993
- Christine Chung, M.D.Bala Cynwyd, PA 190041134192776
- Jay Federman, M.D.Bala Cynwyd, PA 190041104899186
- David Fischer, MDBala Cynwyd, PA 190041033102298
- Carolyn Glazer-Hockstein, MDBala Cynwyd, PA 190041881694156
- Vipin Goyal, MDBala Cynwyd, PA 190041881690451
- Alfred Lucier, M.D.Bala Cynwyd, PA 190041104899038
Common questions
What is Leonard B. Nelson, M.D.'s NPI number?
Leonard B. Nelson, M.D.'s National Provider Identifier (NPI) is 1093789679, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard B. Nelson, M.D. located?
The NPPES record lists a practice address at 100 Presidential Blvd Ste 200, Bala Cynwyd, PA, 19004. Phone: (484) 434-2700. Providers update this record themselves, so call before visiting.
How can I verify Leonard B. Nelson, M.D.'s license?
NPPES lists Pennsylvania license number MD025037E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leonard B. Nelson, M.D. prescribe under Medicare Part D?
In 2024, Leonard B. Nelson, M.D. had 175 Medicare Part D claims for 65 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Leonard B. Nelson, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.3 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.