Lauren Nentwich, MD
NPI 1124299805 · Emergency Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Nentwich, MD is a Emergency Medicine Physician provider in Boston, MA (NPI 1124299805).
Provider details
- NPI number
- 1124299805
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 237211 (MA)
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
18 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
272 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 94 | $179 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 59 | $124 |
| Critical Care, First 30-74 Minutes99291 | 47 | $219 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 46 | $180 |
| Ultrasound of Heart, Follow-Up93308 | 13 | $26 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 13 | $73 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-20
- Last updated
- 2015-04-03
Frequently asked questions
- What is Lauren Nentwich's NPI number?
- Lauren Nentwich's National Provider Identifier (NPI) is 1124299805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Nentwich's specialty?
- Lauren Nentwich is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Nentwich located?
- Lauren Nentwich's practice location on file with NPPES is 1 Boston Medical Ctr Pl, Boston, MA 02118-2908.
- What is Lauren Nentwich's phone number?
- The practice phone number listed in the NPPES registry for Lauren Nentwich is (617) 414-4922.
- Does Lauren Nentwich accept Medicare?
- Lauren Nentwich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Nentwich's NPI active?
- Yes — Lauren Nentwich's NPI (1124299805) is active in the NPPES registry as of the last update on 2015-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.