Jacqueline Kowitz, MD
NPI 1407505571 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacqueline Kowitz, MD is a Internal Medicine Physician provider in Washington, DC (NPI 1407505571).
Provider details
- NPI number
- 1407505571
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0116037314 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 45 | 21 |
| Amlodipine Besylate | 18 | — |
| Losartan Potassium | 18 | — |
| Metformin Hcl | 17 | — |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 16 | — |
| Tamsulosin Hcl | 13 | — |
| Famotidine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-23
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Jacqueline Kowitz's NPI number?
- Jacqueline Kowitz's National Provider Identifier (NPI) is 1407505571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacqueline Kowitz's specialty?
- Jacqueline Kowitz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacqueline Kowitz located?
- Jacqueline Kowitz's practice location on file with NPPES is 2333 Ontario Rd Nw, Washington, DC 20009-2627.
- What is Jacqueline Kowitz's phone number?
- The practice phone number listed in the NPPES registry for Jacqueline Kowitz is (202) 483-8196.
- Does Jacqueline Kowitz accept Medicare?
- Jacqueline Kowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacqueline Kowitz's NPI active?
- Yes — Jacqueline Kowitz's NPI (1407505571) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.