Charles Bier, MD
NPI 1982639225 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Bier, MD is a Internal Medicine Physician provider in Washington, DC (NPI 1982639225).
Provider details
- NPI number
- 1982639225
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD4797 (DC)
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
19 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
335 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 110 | $197 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $75 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 51 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $121 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 19 | $16 |
| Test to Measure Expiratory Airflow and Volume |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 45 | 13 |
| Atorvastatin Calcium | 23 | — |
| Tamsulosin Hcl | 22 | — |
| Tramadol Hcl | 21 | — |
| Allopurinol | 17 | — |
| Lisinopril | 17 | — |
| Liothyronine Sodiumbrand: Cytomel | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2019-10-24
Frequently asked questions
- What is Charles Bier's NPI number?
- Charles Bier's National Provider Identifier (NPI) is 1982639225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Bier's specialty?
- Charles Bier is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Bier located?
- Charles Bier's practice location on file with NPPES is 1715 N St Nw, Washington, DC 20036-2801.
- What is Charles Bier's phone number?
- The practice phone number listed in the NPPES registry for Charles Bier is (202) 466-4646.
- Does Charles Bier accept Medicare?
- Charles Bier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Bier's NPI active?
- Yes — Charles Bier's NPI (1982639225) is active in the NPPES registry as of the last update on 2019-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.