Charles J. Bier, MD
Internal Medicine Physician · Washington, DC
Charles J. Bier, MD is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1982639225, issued on Jul 12, 2006. Check the license (District of Columbia MD4797, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Charles J. Bier
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD4797 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1715 N St NW, Washington, DC 20036
- Phone
- (202) 466-4646
- Enumerated
- Jul 12, 2006
- Record last updated
- Oct 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (202) 466-4776
- Medicare enrollment
- Enrolled (PECOS I20070625000118); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1968
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Verify Charles J. Bier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD4797Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
582 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium45 claims
- Atorvastatin Calcium23 claims
- Tamsulosin Hcl22 claims
- Tramadol Hcl21 claims
- Allopurinol17 claims
- Lisinopril17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Charles J. Bier among 901 internal medicine physician records in District of Columbia
Charles J. Bier, MD is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 67% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1968 · median 2008 among the 513 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rhondee Baldi, M.D.Washington, DC 200361104936517
- Gilbert Eisner, MDWashington, DC 200361023182722
- Robert Enelow, M.D.Washington, DC 200361336151349
- Darcy Hansen, M.D.Washington, DC 200361346243417
- Carole Horn, MDWashington, DC 200361659445351
- Karen Myers, M.D.Washington, DC 200361316006240
- Jessica Osborn, MDWashington, DC 200361073610887
- David Patterson, MDWashington, DC 200361821008517
Common questions
What is Charles J. Bier, MD's NPI number?
Charles J. Bier, MD's National Provider Identifier (NPI) is 1982639225, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles J. Bier, MD located?
The NPPES record lists a practice address at 1715 N St NW, Washington, DC, 20036. Phone: (202) 466-4646. Providers update this record themselves, so call before visiting.
How can I verify Charles J. Bier, MD's license?
NPPES lists District of Columbia license number MD4797, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles J. Bier, MD prescribe under Medicare Part D?
In 2024, Charles J. Bier, MD had 582 Medicare Part D claims for 33 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.