Paul Bernhard Keiser, M.D.
Allergy/Immunology · Infectious Disease · Internal Medicine (CMS) · Rockville, MD
At a glance
6000 Executive Blvd Ste 615, Rockville, MD 20852-3876
NPPES record updated Aug 13, 2021. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
6000 Executive Blvd Ste 615Rockville, MD 20852-3876
Additional reported practice locations
1800 Town Center Dr Ste 215Reston, VA 201903238
Phone: 7034810324 2200 Opitz Blvd Ste 230
Woodbridge, VA 221913341
Phone: 7034905803
Education & affiliations
- Medical / professional school
- Washington University School Of Medicine
- Graduation year
- 1994
- CMS specialties
- Allergy/Immunology · Infectious Disease · Internal Medicine
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $904.31 |
Reporting companies
| Company | Amount |
|---|---|
| GLAXOSMITHKLINE, LLC. | $150.78 |
| ASTRAZENECA PHARMACEUTICALS LP | $139.63 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $98.13 |
| GALDERMA LABORATORIES, L.P. | $95.30 |
| GENZYME CORPORATION | $88.20 |
| REGENERON HEALTHCARE SOLUTIONS, INC. | $55.22 |
| TAKEDA PHARMACEUTICALS U.S.A., INC. | $52.80 |
| ARS PHARMACEUTICALS OPERATIONS, INC. | $44.66 |
| Other reporting companies | $179.59 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Allergy/Immunology · Infectious Disease · Internal Medicine (CMS)
- Taxonomy code
- 207K00000X
- Enumeration date
- Mar 20, 2007
- Record updated
- Aug 13, 2021
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207K00000X
License reported: MD474748 PA
207KA0200X
License reported: 0101056551 VA
207K00000X · Primary
License reported: D0086082 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
6000 Executive Blvd Ste 615Rockville, MD 20852-3876
- Phone
- (202) 782-3321
Mailing address
6000 EXECUTIVE BLVD STE 615ROCKVILLE, MD 208523876
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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