William Berkley, M.D.
NPI 1457368730 · Internal Medicine Physician · Boiling Springs, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Berkley, M.D. is a Internal Medicine Physician provider in Boiling Springs, SC (NPI 1457368730).
Provider details
- NPI number
- 1457368730
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 95806 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,027 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 497 | $127 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 454 | $16 |
| Advance Care Planning, First 30 Minutes99497 | 314 | $81 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 305 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 303 | $91 |
| Annual Depression Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 169 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 516 | 161 |
| Rosuvastatin Calcium | 455 | 157 |
| Levothyroxine Sodium | 441 | 136 |
| Amlodipine Besylate | 281 | 93 |
| Tamsulosin Hcl | 226 | 74 |
| Lisinopril | 209 | 66 |
| Montelukast Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,379 across 100 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)
- 5625 Eiger RdSuite 200Austin, TX 78735-8982Phone: (512) 892-7076Fax: (512) 899-8460
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2025-10-28
- Certified
- 2025-10-28
Frequently asked questions
- What is William Berkley's NPI number?
- William Berkley's National Provider Identifier (NPI) is 1457368730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Berkley's specialty?
- William Berkley is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Berkley located?
- William Berkley's practice location on file with NPPES is 2400 Boiling Springs Rd, Boiling Springs, SC 29316-5304.
- What is William Berkley's phone number?
- The practice phone number listed in the NPPES registry for William Berkley is (864) 599-0731.
- Does William Berkley accept Medicare?
- William Berkley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Berkley's NPI active?
- Yes — William Berkley's NPI (1457368730) is active in the NPPES registry as of the last update on 2025-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.