DR. CHARLES J BIER MD
NPI 1982639225
Internal Medicine in Washington, DC

Q: What is Charles Bier's NPI number?

The NPI number for Charles Bier is 1982639225. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Q: What is Charles Bier's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Bier was last updated on October 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment

1715 N ST NW, WASHINGTON, DC 20036(202) 466-4646(202) 466-4776 Get Directions Write a Review

NPPES record last updated: October 24, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Charles J Bier Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES J BIER MD (NPI 1982639225) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD4797) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1968).

NPPES Registry Identity

NPI1982639225

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. CHARLES J BIERCredential: MD

Location Address1715 N ST NWWashington, DC 20036-2801

Mailing Address5801 Nicholson Ln Apt 1002North Bethesda, MD 20852-5724 · (202) 498-0731 · Fax (301) 984-4392

Phone(202) 466-4646

Fax(202) 466-4776

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1968

Enumeration DateJuly 12, 2006

Last NPPES UpdateOctober 24, 2019

✔ NPI 1982639225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in DC · MD4797

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1715 N ST NW, Washington, DC 20036

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles J Bier Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931208493

PECOS Enrollment IDI20070625000118

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Charles Bier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Charles Joel Bier, M.D., PLLC

Same address

Internal Medicine

1715 N ST NW
Washington, DC 20036

Reassigned Medicare billing, District of Columbia enrollment

NPI 1013557834 (202) 466-4646

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

110 services25 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

69 services27 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

51 services23 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

36 services19 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

19 services18 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20036 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHARLES JOEL BIER, M.D., PLLC

Internal Medicine

1715 N ST NW
WASHINGTON, DC 20036

District of Columbia (202) 466-4646

CHARLES JOEL BIER, M.D., PLLC

Internal Medicine

1715 N ST NW
WASHINGTON, DC 20036

District of Columbia (202) 466-4646

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Bier's NPI number?

The NPI number for Charles Bier is 1982639225. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Charles Bier located?

Charles Bier practices at 1715 N St NW, Washington, DC 20036. The listed phone number is (202) 466-4646.

What is Charles Bier's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Charles Bier enrolled in Medicare?

Yes. Charles Bier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Charles Bier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Bier reassigns Medicare benefits to Charles Joel Bier, M.D., PLLC (Washington, DC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Bier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charles Bier was last updated on October 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.