Lois J. Ratner, MD
Ophthalmology Physician · Towson, MD
Lois J. Ratner, MD is an ophthalmology physician with a practice address in Towson, Maryland, and NPI 1942362603, issued on Dec 15, 2006. Check the license (Maryland D35128, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Lois J. Ratner
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D35128 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8415 Bellona Lane, Towson, MD 21204
- Phone
- (410) 828-9270
- Enumerated
- Dec 15, 2006
- Record last updated
- Sep 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (410) 321-0124
- Medicaid ID
- 281531100 MD
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Also registered at 8415 Bellona Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adolfo Lopez, MDInternal Medicine Physician1568534386
Verify Lois J. Ratner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D35128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average ophthalmology physician in 2024
42 Medicare Part D claims for 12 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Latanoprost16 claims
- Timolol Maleate11 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.
Lois J. Ratner among 588 ophthalmology physician records in Maryland
Lois J. Ratner, MD is one of 588 ophthalmology physician records with a practice address in Maryland. 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2015 · 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maryland
There are 588 ophthalmology physician records in Maryland.
All 588 in Maryland → Every provider in Towson → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Stanley Amernick, M.D.Towson, MD 212041295718203
- Raya Armaly, MDBaltimore, MD 212041326033093
- Nicole Bertram Love, M.D.Towson, MD 212041568416766
- Mary Louise Collins, M.D.Baltimore, MD 212041063431724
- Gary Ehrlich, M.D.Towson, MD 212041144239476
- Sanjay Goel, M.D.Towson, MD 212041265538540
- Allison Jensen, MDBaltimore, MD 212041104924067
- Sudeep Pramanik, MDTowson, MD 212041225020159
Common questions
What is Lois J. Ratner, MD's NPI number?
Lois J. Ratner, MD's National Provider Identifier (NPI) is 1942362603, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lois J. Ratner, MD located?
The NPPES record lists a practice address at 8415 Bellona Lane, Towson, MD, 21204. Phone: (410) 828-9270. Providers update this record themselves, so call before visiting.
How can I verify Lois J. Ratner, MD's license?
NPPES lists Maryland license number D35128, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lois J. Ratner, MD prescribe under Medicare Part D?
In 2024, Lois J. Ratner, MD had 42 Medicare Part D claims for 12 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.
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.