William Hiatt, PA-C
NPI 1659981694 · Physician Assistant · Morton Grove, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Hiatt, PA-C is a Physician Assistant provider in Morton Grove, IL (NPI 1659981694).
Provider details
- NPI number
- 1659981694
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 085008586 (IL)
Specialties & taxonomies
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
5 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
115 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 | 37 | $80 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 29 | $89 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 20 | $192 |
| X-Ray of Knee, 4 Or More Views73564 | 16 | $19 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 13 | $192 |
Typical Medicare-allowed amounts for these services range $19–$192 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 82 | 57 |
| Celecoxib | 41 | 30 |
| Cephalexin | 39 | 37 |
| Tramadol Hcl | 30 | 24 |
| Oxycodone Hcl | 18 | 14 |
| Methylprednisolone | 17 | 17 |
| Meloxicam | 14 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$80 across 4 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
- 2020-08-04
- Last updated
- 2024-10-10
- Certified
- 2024-10-10
Frequently asked questions
- What is William Hiatt's NPI number?
- William Hiatt's National Provider Identifier (NPI) is 1659981694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hiatt's specialty?
- William Hiatt is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Hiatt located?
- William Hiatt's practice location on file with NPPES is 9000 Waukegan Rd Ste 200, Morton Grove, IL 60053-2127.
- What is William Hiatt's phone number?
- The practice phone number listed in the NPPES registry for William Hiatt is (847) 375-3000.
- Does William Hiatt accept Medicare?
- William Hiatt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Hiatt's NPI active?
- Yes — William Hiatt's NPI (1659981694) is active in the NPPES registry as of the last update on 2024-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.