Lauren Warshaw, MD
NPI 1407416571 · Hospitalist Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Warshaw, MD is a Hospitalist Physician provider in Philadelphia, PA (NPI 1407416571).
Provider details
- NPI number
- 1407416571
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MT218241 (PA)
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
7 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
513 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 | 326 | $86 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 81 | $143 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 37 | $125 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 29 | $89 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 20 | $189 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-19
- Last updated
- 2023-05-03
- Certified
- 2023-05-03
Frequently asked questions
- What is Lauren Warshaw's NPI number?
- Lauren Warshaw's National Provider Identifier (NPI) is 1407416571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Warshaw's specialty?
- Lauren Warshaw is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Warshaw located?
- Lauren Warshaw's practice location on file with NPPES is 245 N 15th St Fl 6, Philadelphia, PA 19102-1101.
- What is Lauren Warshaw's phone number?
- The practice phone number listed in the NPPES registry for Lauren Warshaw is (215) 762-7916.
- Does Lauren Warshaw accept Medicare?
- Lauren Warshaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Warshaw's NPI active?
- Yes — Lauren Warshaw's NPI (1407416571) is active in the NPPES registry as of the last update on 2023-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.