Timothy Williams, PA-C
NPI 1558613547 · Physician Assistant · Munster, IN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Williams, PA-C is a Physician Assistant provider in Munster, IN (NPI 1558613547).
Provider details
- NPI number
- 1558613547
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 99053959A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,813 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 565 | $70 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 495 | $96 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 135 | $50 |
| X-Ray of Hip, 2-3 Views73502 | 105 | $36 |
| X-Ray of Knee, 1-2 Views73560 | 85 | $27 |
| X-Ray of Knee, 4 Or More Views73564 | 84 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 192 | 100 |
| Gabapentin | 87 | 52 |
| Celecoxib | 55 | 39 |
| Meloxicam | 35 | 25 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 35 | 12 |
| Methylprednisolone | 28 | 26 |
| Diclofenac Sodium | 25 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$284 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-10-15
- Last updated
- 2025-02-13
- Certified
- 2025-02-13
Frequently asked questions
- What is Timothy Williams's NPI number?
- Timothy Williams's National Provider Identifier (NPI) is 1558613547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Williams's specialty?
- Timothy Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Timothy Williams located?
- Timothy Williams's practice location on file with NPPES is 9900 Columbia Ave, Munster, IN 46321-4008.
- What is Timothy Williams's phone number?
- The practice phone number listed in the NPPES registry for Timothy Williams is (219) 924-3300.
- Does Timothy Williams accept Medicare?
- Timothy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Williams's NPI active?
- Yes — Timothy Williams's NPI (1558613547) is active in the NPPES registry as of the last update on 2025-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.