Melissa Siedschlag, M.D.
NPI 1093976516 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Siedschlag, M.D. is a Internal Medicine Physician provider in Washington, DC (NPI 1093976516).
Provider details
- NPI number
- 1093976516
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 45989 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 tenure38% of score
18 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-18
- Last updated
- 2022-09-22
- Certified
- 2022-09-22
Frequently asked questions
- What is Melissa Siedschlag's NPI number?
- Melissa Siedschlag's National Provider Identifier (NPI) is 1093976516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Siedschlag's specialty?
- Melissa Siedschlag is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Siedschlag located?
- Melissa Siedschlag's practice location on file with NPPES is 111 Michigan Ave Nw, Washington, DC 20010.
- What is Melissa Siedschlag's phone number?
- The practice phone number listed in the NPPES registry for Melissa Siedschlag is (202) 476-6151.
- Does Melissa Siedschlag accept Medicare?
- Melissa Siedschlag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Siedschlag's NPI active?
- Yes — Melissa Siedschlag's NPI (1093976516) is active in the NPPES registry as of the last update on 2022-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.