Kathryn Schlaffer, MD
NPI 1205221165 · Infectious Disease Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Schlaffer, MD is a Infectious Disease Physician provider in Baltimore, MD (NPI 1205221165).
Provider details
- NPI number
- 1205221165
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D84973 (MD)
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
11 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
336 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 | 107 | $99 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 84 | $80 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 68 | $121 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 55 | $148 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 22 | $177 |
Typical Medicare-allowed amounts for these services range $80–$177 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 173 | 22 |
| Atorvastatin Calcium | 138 | 20 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 41 | — |
| Mirtazapine | 40 | — |
| Pantoprazole Sodium | 38 | — |
| Famotidine | 37 | — |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-30
- Last updated
- 2021-11-02
- Certified
- 2021-11-02
Frequently asked questions
- What is Kathryn Schlaffer's NPI number?
- Kathryn Schlaffer's National Provider Identifier (NPI) is 1205221165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Schlaffer's specialty?
- Kathryn Schlaffer is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Schlaffer located?
- Kathryn Schlaffer's practice location on file with NPPES is 22 S Greene St, Baltimore, MD 21201-1590.
- What is Kathryn Schlaffer's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Schlaffer is (410) 225-8369.
- Does Kathryn Schlaffer accept Medicare?
- Kathryn Schlaffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Schlaffer's NPI active?
- Yes — Kathryn Schlaffer's NPI (1205221165) is active in the NPPES registry as of the last update on 2021-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.