Michael Sither, D.O.
NPI 1528479284 · Internal Medicine Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Sither, D.O. is a Internal Medicine Physician provider in Allentown, PA (NPI 1528479284).
Provider details
- NPI number
- 1528479284
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OT015951 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
698 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 50 Minutes99233 | 309 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 174 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 128 | $164 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 87 | $108 |
Typical Medicare-allowed amounts for these services range $73–$164 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 32 | 29 |
| Oxycodone Hcl | 24 | 22 |
| Levofloxacin | 20 | 19 |
| Prednisone | 20 | 19 |
| Torsemide | 14 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 12 |
| Loperamide Hclbrand: Loperamide | 12 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 1001 S George St Fl 4York, PA 17403-3676Phone: (717) 851-4005Fax: (717) 812-2495
Registry dates
- Enumerated
- 2014-05-15
- Last updated
- 2022-07-21
Frequently asked questions
- What is Michael Sither's NPI number?
- Michael Sither's National Provider Identifier (NPI) is 1528479284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Sither's specialty?
- Michael Sither is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Sither located?
- Michael Sither's practice location on file with NPPES is 1200 S Cedar Crest Blvd, Allentown, PA 18103-6202.
- What is Michael Sither's phone number?
- The practice phone number listed in the NPPES registry for Michael Sither is (610) 402-1675.
- Does Michael Sither accept Medicare?
- Michael Sither is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Sither's NPI active?
- Yes — Michael Sither's NPI (1528479284) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.