William Swayser, DO
NPI 1609828300 · Hospitalist Physician · Allentown, PA
William Swayser, DO is a Hospitalist Physician provider in Allentown, PA (NPI 1609828300).
Provider details
- NPI number
- 1609828300
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS007209L (PA)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
434 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 211 | $71 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 149 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 52 | $100 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 22 | $118 |
Typical Medicare-allowed amounts for these services range $71–$118 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2019-03-07
Frequently asked questions
- What is William Swayser's NPI number?
- William Swayser's National Provider Identifier (NPI) is 1609828300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Swayser's specialty?
- William Swayser is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is William Swayser located?
- William Swayser's practice location on file with NPPES is 1255 S Cedar Crest Blvd, Allentown, PA 18103-6256.
- What is William Swayser's phone number?
- The practice phone number listed in the NPPES registry for William Swayser is (610) 437-9006.
- Is William Swayser's NPI active?
- Yes — William Swayser's NPI (1609828300) is active in the NPPES registry as of the last update on 2019-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.