Katherine Stolarz, D.O.
NPI 1912264441 · Family Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Stolarz, D.O. is a Family Medicine Physician provider in Baltimore, MD (NPI 1912264441).
Provider details
- NPI number
- 1912264441
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- H0079549 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
405 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $103 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 73 | $80 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 66 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $74 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 35 | $135 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 100 | 27 |
| Amlodipine Besylate | 64 | 20 |
| Hydrochlorothiazide | 45 | 12 |
| Metformin Hcl | 44 | 11 |
| Losartan Potassium | 40 | 11 |
| Famotidine | 40 | 15 |
| Metoprolol Succinate | 35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-22
- Last updated
- 2019-06-26
Frequently asked questions
- What is Katherine Stolarz's NPI number?
- Katherine Stolarz's National Provider Identifier (NPI) is 1912264441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Stolarz's specialty?
- Katherine Stolarz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Stolarz located?
- Katherine Stolarz's practice location on file with NPPES is 9101 Franklin Square Dr Ste 300, Baltimore, MD 21237-3966.
- What is Katherine Stolarz's phone number?
- The practice phone number listed in the NPPES registry for Katherine Stolarz is (443) 777-2000.
- Does Katherine Stolarz accept Medicare?
- Katherine Stolarz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Stolarz's NPI active?
- Yes — Katherine Stolarz's NPI (1912264441) is active in the NPPES registry as of the last update on 2019-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.