John Ladas, M.D. PH.D.
Ophthalmology Physician · Silver Spring, MD
John Ladas, M.D. PH.D. is an ophthalmology physician with a practice address in Silver Spring, Maryland, and NPI 1992743611, issued on Jun 3, 2006. Check the license (Maryland D55937, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Ladas
- Credential
- M.D. PH.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D55937 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2101 Medical Park Dr, Silver Spring, MD 20902
- Phone
- (301) 681-6600
- Enumerated
- Jun 3, 2006
- Record last updated
- Nov 8, 2023
- Fax
- (301) 681-3799
- Medicaid ID
- 133505700 MD
- Medicare enrollment
- Enrolled (PECOS I20101018000882); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Also registered at 2101 Medical Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Abend, M.D.Orthopaedic Surgery Physician1073555777
- Neal Adams, MDOphthalmology Physician1851354500
- Leah Berhane, MDObstetrics & Gynecology Physician1437213584
- Steven Burger, M.D.Gastroenterology Physician1295738714
- Judy CaoPhysician Assistant1003288721
- Pamela Cheung, M.D.Ophthalmology Physician1427074764
Verify John Ladas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D55937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,074 Medicare Part D claims for 274 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Latanoprost243 claims
- Timolol Maleate102 claims
- Moxifloxacin97 claims
- Dorzolamide-Timolol78 claims
- Loteprednol Etabonate70 claims
- Prednisolone Acetate60 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $290.62
11 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Surgical Vision, 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
- Ladas Eye Group PASilver Spring, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Ladas among 588 ophthalmology physician records in Maryland
John Ladas, M.D. PH.D. 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 fileYes · 63% of these records are
- Graduated1996 · median 2002 among the 369 with a school on file
- Record last updated2023 · 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 Silver Spring → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Neal Adams, MDSilver Spring, MD 209021851354500
- Pamela Cheung, M.D.Silver Spring, MD 209021427074764
- Jerome Gabry, MDSilver Spring, MD 209021356342117
- Ankur Gupta, MDSilver Spring, MD 209021447647276
- Gregory Ladas, M.D.Silver Spring, MD 209021396777975
- Kathleen Ladas, M.D.Silver Spring, MD 209021629093745
- Aisha Macedo, M.D.Silver Spring, MD 209021275792087
- Narieman Nik, MDSilver Spring, MD 209021861595837
Common questions
What is John Ladas, M.D. PH.D.'s NPI number?
John Ladas, M.D. PH.D.'s National Provider Identifier (NPI) is 1992743611, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Ladas, M.D. PH.D. located?
The NPPES record lists a practice address at 2101 Medical Park Dr, Silver Spring, MD, 20902. Phone: (301) 681-6600. Providers update this record themselves, so call before visiting.
How can I verify John Ladas, M.D. PH.D.'s license?
NPPES lists Maryland license number D55937, 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 John Ladas, M.D. PH.D. prescribe under Medicare Part D?
In 2024, John Ladas, M.D. PH.D. had 1,074 Medicare Part D claims for 274 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is John Ladas, M.D. PH.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.