William Shankle, MS, M.D.
NPI 1932246584 · Neurology Physician · Newport Beach, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Shankle, MS, M.D. is a Neurology Physician provider in Newport Beach, CA (NPI 1932246584).
Provider details
- NPI number
- 1932246584
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MS, M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G55639 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
3,361 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 861 | $67 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 605 | $194 |
| Evaluation of Neuropsychological Test, First Hour96132 | 584 | $136 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 578 | $46 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 434 | $34 |
| Telephone Medical Discussion With Physician, 5-10 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hclbrand: Memantine Hcl Er | 1,142 | 278 |
| Rivastigmine | 736 | 160 |
| Dipyridamole | 208 | 50 |
| Desvenlafaxine Succinatebrand: Desvenlafaxine Succinate Er | 163 | 33 |
| Galantamine Hbrbrand: Galantamine Er | 114 | 31 |
| Rivastigmine Tartratebrand: Rivastigmine | 101 | 26 |
| Ropinirole Hcl | 83 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$73 across 3 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
- 2007-01-31
- Last updated
- 2023-02-22
- Certified
- 2023-02-22
Frequently asked questions
- What is William Shankle's NPI number?
- William Shankle's National Provider Identifier (NPI) is 1932246584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Shankle's specialty?
- William Shankle is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is William Shankle located?
- William Shankle's practice location on file with NPPES is 3900 W Coast Hwy Ste 310, Newport Beach, CA 92663-4093.
- What is William Shankle's phone number?
- The practice phone number listed in the NPPES registry for William Shankle is (949) 478-8858.
- Does William Shankle accept Medicare?
- William Shankle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Shankle's NPI active?
- Yes — William Shankle's NPI (1932246584) is active in the NPPES registry as of the last update on 2023-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.