Rebecca Anastos-Wallen, MD
NPI 1720576820 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Anastos-Wallen, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1720576820).
Provider details
- NPI number
- 1720576820
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD473831 (PA)
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 403 | 79 |
| Amlodipine Besylate | 261 | 51 |
| Furosemide | 162 | 26 |
| Metoprolol Succinate | 148 | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 146 | 35 |
| Semaglutidebrand: Ozempic | 122 | 17 |
Practice location
Mailing address
Additional practice locations (1)
- 3400 Civic Center Blvd Fl 6Philadelphia, PA 19104-5162Phone: (919) 974-8972
Registry dates
- Enumerated
- 2018-04-25
- Last updated
- 2021-11-04
- Certified
- 2021-11-04
Frequently asked questions
- What is Rebecca Anastos-Wallen's NPI number?
- Rebecca Anastos-Wallen's National Provider Identifier (NPI) is 1720576820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Anastos-Wallen's specialty?
- Rebecca Anastos-Wallen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Anastos-Wallen located?
- Rebecca Anastos-Wallen's practice location on file with NPPES is 30 W Monroe St Ste 1200, Chicago, IL 60603-2420.
- What is Rebecca Anastos-Wallen's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Anastos-Wallen is (312) 733-9730.
- Does Rebecca Anastos-Wallen accept Medicare?
- Rebecca Anastos-Wallen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Anastos-Wallen's NPI active?
- Yes — Rebecca Anastos-Wallen's NPI (1720576820) is active in the NPPES registry as of the last update on 2021-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.