Kathryn Flack, MD
NPI 1770938862 · Pulmonary Disease Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Flack, MD is a Pulmonary Disease Physician provider in Philadelphia, PA (NPI 1770938862).
Provider details
- NPI number
- 1770938862
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD464744 (PA)
Specialties & taxonomies
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 tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
651 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) |
|---|---|---|
| Test to Measure Expiratory Airflow and Volume94010 | 171 | $8 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 106 | $9 |
| Test to Determine Lung Volumes Using Sensors94726 | 87 | $12 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 51 | $146 |
| 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 | 46 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 64 | 23 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 56 | 15 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 31 | 11 |
| Fluticasone Propionate | 30 | — |
| Omeprazole | 27 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 24 | — |
Practice location
Mailing address
Additional practice locations (1)
- 51 N 39th StSte 130Philadelphia, PA 19104-2640Phone: (215) 662-8989
Registry dates
- Enumerated
- 2016-04-26
- Last updated
- 2025-04-22
- Certified
- 2025-04-22
Frequently asked questions
- What is Kathryn Flack's NPI number?
- Kathryn Flack's National Provider Identifier (NPI) is 1770938862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Flack's specialty?
- Kathryn Flack is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Flack located?
- Kathryn Flack's practice location on file with NPPES is 3400 Spruce Street, Philadelphia, PA 19104-4206.
- What is Kathryn Flack's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Flack is (215) 662-3202.
- Does Kathryn Flack accept Medicare?
- Kathryn Flack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Flack's NPI active?
- Yes — Kathryn Flack's NPI (1770938862) is active in the NPPES registry as of the last update on 2025-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.