William Gray, PA
NPI 1033483474 · Physician Assistant · Springfield, MO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Gray, PA is a Physician Assistant provider in Springfield, MO (NPI 1033483474).
Provider details
- NPI number
- 1033483474
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
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
14 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
312 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 | 192 | $71 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 90 | $98 |
| Injection of Trigger Points, 3 Or More Muscles20553 | 30 | $44 |
Typical Medicare-allowed amounts for these services range $44–$98 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 |
|---|---|---|
| Gabapentin | 178 | 64 |
| Tizanidine Hcl | 59 | 28 |
| Celecoxib | 32 | — |
| Nortriptyline Hcl | 28 | 16 |
| Duloxetine Hcl | 20 | — |
| Baclofen | 16 | — |
| Cyclobenzaprine Hcl | 16 | — |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$209 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
Additional practice locations (1)
- 525 Branson Landing BlvdSte. 100Branson, MO 65616-4500Phone: (417) 335-7000Fax: (417) 335-7588
Registry dates
- Enumerated
- 2012-03-02
- Last updated
- 2022-08-10
- Certified
- 2022-08-10
Frequently asked questions
- What is William Gray's NPI number?
- William Gray's National Provider Identifier (NPI) is 1033483474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Gray's specialty?
- William Gray is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Gray located?
- William Gray's practice location on file with NPPES is 1540 E Evergreen St, Springfield, MO 65803-4300.
- What is William Gray's phone number?
- The practice phone number listed in the NPPES registry for William Gray is (417) 823-2900.
- Does William Gray accept Medicare?
- William Gray is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Gray's NPI active?
- Yes — William Gray's NPI (1033483474) is active in the NPPES registry as of the last update on 2022-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.