DR. DOUGLAS P WILLIAMS MD M.D.
NPI 1609872332
Ophthalmology in Crown Point, IN
About Dr. Douglas P Williams Md M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DOUGLAS P WILLIAMS MD M.D. (NPI 1609872332) is an individual ophthalmology provider in Crown Point, Indiana, licensed in Indiana (01035921A) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Chicago, Pritzker School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
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
Dr. Douglas P Williams Md M.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 Douglas Williams Md reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Crown Point, IN 46307
- Reassigned Medicare billing, Indiana enrollment
- 11 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 11
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 46307 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
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CROWN POINT, IN 46307
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 Douglas Williams Md's NPI number?
The NPI number for Douglas Williams Md is 1609872332. It was assigned to this individual provider in the NPPES registry on June 27, 2005.
Where is Douglas Williams Md located?
Douglas Williams Md practices at 9797 Massachusetts St, Crown Point, IN 46307. The listed phone number is (219) 736-2200.
What is Douglas Williams Md's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Douglas Williams Md enrolled in Medicare?
Yes. Douglas Williams Md 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 Douglas Williams Md's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Williams Md reassigns Medicare benefits to Williams Eye Institute, PC (Crown Point, IN). 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 Douglas Williams Md's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Williams Md accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Cross Blue Shield of Wyoming and 6 other insurers list Douglas Williams Md as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Douglas Williams Md was last updated on March 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.