William Schwab, M.D.
NPI 1619079407 · Internal Medicine Physician · Willoughby, OH
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Schwab, M.D. is a Internal Medicine Physician provider in Willoughby, OH (NPI 1619079407).
Provider details
- NPI number
- 1619079407
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-079589 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
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) |
|---|---|
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 91 |
| Levothyroxine Sodium | 21 |
| Lisinopril | 15 |
| Tamsulosin Hcl | 13 |
| Potassium Chloride | 12 |
| Folic Acid | 12 |
| Furosemide | 12 |
| Spironolactone | 12 |
| Metoprolol Succinate | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-02
- Last updated
- 2020-11-23
- Certified
- 2020-11-23
Frequently asked questions
- What is William Schwab's NPI number?
- William Schwab's National Provider Identifier (NPI) is 1619079407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Schwab's specialty?
- William Schwab is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Schwab located?
- William Schwab's practice location on file with NPPES is 5105 Som Center Rd, Willoughby, OH 44094-4203.
- What is William Schwab's phone number?
- The practice phone number listed in the NPPES registry for William Schwab is (216) 524-7377.
- Does William Schwab accept Medicare?
- William Schwab is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Schwab's NPI active?
- Yes — William Schwab's NPI (1619079407) is active in the NPPES registry as of the last update on 2020-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.