William Mariencheck, MD
NPI 1114995909 · Pulmonary Disease Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mariencheck, MD is a Pulmonary Disease Physician provider in Winston Salem, NC (NPI 1114995909).
Provider details
- NPI number
- 1114995909
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9800626 (NC)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
425 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 83 | $198 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 77 | $111 |
| Test to Measure Expiratory Airflow and Volume94010 | 44 | $7 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 43 | $8 |
| Test to Determine Lung Volumes Using Sensors94726 | 28 | $11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 91 | 22 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 57 | 12 |
| Albuterol Sulfatebrand: Ventolin Hfa | 37 | 12 |
| Prednisone | 33 | — |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 32 | — |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 32 |
Practice location
Mailing address
Additional practice locations (1)
- 700 W Forest AveSte 300Jackson, TN 38301-3937Phone: (731) 422-0230Fax: (731) 422-0410
Registry dates
- Enumerated
- 2006-03-09
- Last updated
- 2019-08-09
Frequently asked questions
- What is William Mariencheck's NPI number?
- William Mariencheck's National Provider Identifier (NPI) is 1114995909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mariencheck's specialty?
- William Mariencheck is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Mariencheck located?
- William Mariencheck's practice location on file with NPPES is Medical Center Blvd, Winston Salem, NC 27157-3937.
- What is William Mariencheck's phone number?
- The practice phone number listed in the NPPES registry for William Mariencheck is (336) 716-2255.
- Does William Mariencheck accept Medicare?
- William Mariencheck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mariencheck's NPI active?
- Yes — William Mariencheck's NPI (1114995909) is active in the NPPES registry as of the last update on 2019-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.