Kathleen Wittels, M.D.
NPI 1619935368 · Emergency Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Wittels, M.D. is a Emergency Medicine Physician provider in Boston, MA (NPI 1619935368).
Provider details
- NPI number
- 1619935368
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 227221 (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
20 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
435 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 | 238 | $178 |
| Critical Care, First 30-74 Minutes99291 | 41 | $214 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 38 | $180 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 36 | $124 |
| Ultrasound of Heart, Follow-Up93308 | 29 | $25 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 23 | $120 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2007-08-09
Frequently asked questions
- What is Kathleen Wittels's NPI number?
- Kathleen Wittels's National Provider Identifier (NPI) is 1619935368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Wittels's specialty?
- Kathleen Wittels is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Wittels located?
- Kathleen Wittels's practice location on file with NPPES is Brigham & Womens Hospital, Boston, MA 02115.
- What is Kathleen Wittels's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Wittels is (617) 732-8577.
- Does Kathleen Wittels accept Medicare?
- Kathleen Wittels is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Wittels's NPI active?
- Yes — Kathleen Wittels's NPI (1619935368) is active in the NPPES registry as of the last update on 2007-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.