Anna Marren, MD
NPI 1215420369 · Internal Medicine Physician · Independence, MO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Marren, MD is a Internal Medicine Physician provider in Independence, MO (NPI 1215420369).
Provider details
- NPI number
- 1215420369
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 125.072691 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
874 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 373 | $73 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 157 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 125 | $160 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 114 | $109 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 85 | $105 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 46 | 38 |
| Cefdinir | 40 | 39 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 28 | 28 |
| Pantoprazole Sodium | 23 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 22 | 21 |
| Potassium Chloride | 21 | 17 |
| Levofloxacin | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-13
- Last updated
- 2025-09-10
- Certified
- 2025-09-10
Frequently asked questions
- What is Anna Marren's NPI number?
- Anna Marren's National Provider Identifier (NPI) is 1215420369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Marren's specialty?
- Anna Marren is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anna Marren located?
- Anna Marren's practice location on file with NPPES is 19600 E 39th St S, Independence, MO 64057-2301.
- What is Anna Marren's phone number?
- The practice phone number listed in the NPPES registry for Anna Marren is (816) 698-7000.
- Does Anna Marren accept Medicare?
- Anna Marren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Marren's NPI active?
- Yes — Anna Marren's NPI (1215420369) is active in the NPPES registry as of the last update on 2025-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.