JOHN LADAS M.D. PH.D.
NPI 1992743611
Ophthalmology in Silver Spring, MD
About John Ladas M.d. Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN LADAS M.D. PH.D. (NPI 1992743611) is an individual ophthalmology provider in Silver Spring, Maryland, licensed in Maryland (D55937) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Ladas M.d. Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Ladas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Silver Spring, MD 20902
- Reassigned Medicare billing, District of Columbia enrollment
- 14 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 14
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20902 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SILVER SPRING, MD 20902
SILVER SPRING, MD 20902
SILVER SPRING, MD 20902
SILVER SPRING, MD 20902
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Ladas's NPI number?
The NPI number for John Ladas is 1992743611. It was assigned to this individual provider in the NPPES registry on June 3, 2006.
Where is John Ladas located?
John Ladas practices at 2101 Medical Park Dr Suite 101, Silver Spring, MD 20902. The listed phone number is (301) 681-6600.
What is John Ladas's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is John Ladas enrolled in Medicare?
Yes. John Ladas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Ladas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ladas reassigns Medicare benefits to Ladas Eye Group PA (Silver Spring, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Ladas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Ladas was last updated on November 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John Ladas, M.D. PH.D. · NPI 1992743611
Ophthalmology physician in Silver Spring, Maryland. Individual provider, active in the CMS NPPES registry since June 3, 2006.
## Identity
- **NPI:** 1992743611 (Entity type: Individual)
- **Enumerated:** June 3, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** D55937 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2101 MEDICAL PARK DR, SUITE 101, Silver Spring, MD 20902-4053
- **Phone:** (301) 681-6600 · **Fax:** (301) 681-3799
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ladas Eye Group PA (NPI 1902837149, Silver Spring, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** November 8, 2023
- **Other identifiers:** Medicaid 133505700 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1992743611) · Data from the CMS NPPES public registry.