Paul Keiser, M.D.
NPI 1457476699 · Allergy & Immunology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Keiser, M.D. is a Allergy & Immunology Physician provider in Rockville, MD (NPI 1457476699).
Provider details
- NPI number
- 1457476699
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD474748 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,647 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 4,052 | $15 |
| Test for Allergy Using Allergenic Extract95004 | 579 | $4 |
| Professional Service for Multiple Injections of Allergen95117 | 495 | $13 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 145 | $15 |
| Professional Service for Single Injection of Allergen95115 | 106 | $12 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 84 | $74 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 63 | 32 |
| Azelastine Hcl | 45 | 19 |
| Immun Glob G(igg)-Ifas/Glycinebrand: Panzyga | 38 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 36 | 21 |
| Fluticasone Propionate | 35 | 16 |
| Ipratropium Bromide | 33 | 15 |
| Immun Glob G(igg)/Gly/Iga Ov50brand: Cuvitru |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,248 across 60 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 1800 Town Center Dr Ste 215Reston, VA 20190-3238Phone: (703) 481-0324
- 2200 Opitz Blvd Ste 230Woodbridge, VA 22191-3341Phone: (703) 490-5803
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2021-08-13
- Certified
- 2021-08-13
Frequently asked questions
- What is Paul Keiser's NPI number?
- Paul Keiser's National Provider Identifier (NPI) is 1457476699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Keiser's specialty?
- Paul Keiser is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Keiser located?
- Paul Keiser's practice location on file with NPPES is 6000 Executive Blvd Ste 615, Rockville, MD 20852-3876.
- What is Paul Keiser's phone number?
- The practice phone number listed in the NPPES registry for Paul Keiser is (202) 782-3321.
- Does Paul Keiser accept Medicare?
- Paul Keiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Keiser's NPI active?
- Yes — Paul Keiser's NPI (1457476699) is active in the NPPES registry as of the last update on 2021-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.