Matthew Parker, MD
NPI 1629171269 · Internal Medicine Physician · Washington, DC
Matthew Parker, MD is a Internal Medicine Physician provider in Washington, DC (NPI 1629171269).
Provider details
- NPI number
- 1629171269
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD9742 (DC)
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
19 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 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 307 | 77 |
| Losartan Potassium | 202 | 50 |
| Amlodipine Besylate | 166 | 42 |
| Rosuvastatin Calcium | 106 | 32 |
| Ezetimibe | 102 | 30 |
| Levothyroxine Sodium | 99 | 26 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Matthew Parker's NPI number?
- Matthew Parker's National Provider Identifier (NPI) is 1629171269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Parker's specialty?
- Matthew Parker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Parker located?
- Matthew Parker's practice location on file with NPPES is 2021 K St Nw, Washington, DC 20006-1003.
- What is Matthew Parker's phone number?
- The practice phone number listed in the NPPES registry for Matthew Parker is (202) 293-3636.
- Is Matthew Parker's NPI active?
- Yes — Matthew Parker's NPI (1629171269) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.