DR. DOUGLAS P WILLIAMS MD (M.D.) – Ophthalmology Physician, NPI 1609872332
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
328 OPHTHALMOLOGY in IN
Provider Addresses for DR. DOUGLAS P WILLIAMS MD (M.D.)
6850, Hohman Avenue, Forest-Ivanhoe Historic District, Hammond, Lake County, Indiana, 46324, United States
HAMMOND, IN 463241410
Phone: (219) 931-7509
Type: Mailing
6850 Hohman Ave
Hammond, IN 463241410
Phone: (219) 931-7509
Type: Location
6836 Hohman Ave
Hammond, IN 463241410
Phone: (219) 937-5063
Fax: (219) 937-5094
Type: Location
9797 MASSACHUSETTS ST
CROWN POINT, IN 463070278
Phone: (219) 736-2200
Fax: (219) 736-2222
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 52 Open Payments records for all available years, with a total value of $1,907.
Total Amount is formed as General ($1,907) + Research ($0) + Ownership ($0) = $1,907.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Johnson & Johnson Surgical Vision, Inc. ($641).
Total Amount
$1,907
General + Research + Ownership
Payments
52
Total payment records
General Amount
$1,907
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Johnson & Johnson Surgical Vision, Inc. | $641 |
| Harrow Eye, LLC | $370 |
| Bausch & Lomb Americas Inc. | $185 |
| ABBVIE INC. | $153 |
| RxSight Inc | $151 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-09-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100917000284 | I | Ophthalmology | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 66984 | Removal of cataract with insertion of prosthetic lens | 1,000 | 462 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 858 | 543 | $0 |
| 92014 | Established patient complete exam of visual system | 424 | 407 | $0 |
| 92004 | New patient complete exam of visual system | 256 | 256 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 256 | 256 | $0 |
Insurance plans in this area (ZIP 46324)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | IN | |
| O P T O M E T R Y | IN | |
| O P H T H A L M O L O G Y | IN | |
| O P H T H A L M O L O G Y | IN | |
| O P H T H A L M O L O G Y | IN |
Reviews
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