Elizabeth Larsen, MD
NPI 1649690181 · Anesthesiology Physician · Toledo, OH
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Larsen, MD is a Anesthesiology Physician provider in Toledo, OH (NPI 1649690181).
Provider details
- NPI number
- 1649690181
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036146507 (IL)
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
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
234 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 70 | $78 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 56 | $76 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 55 | $70 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 27 | $87 |
| Anesthesia for Other Procedure on Forearm, Wrist, Or Hand Bones01830 | 15 | $100 |
| Ultrasonic Guidance for Needle Placement76942 | 11 | $30 |
Typical Medicare-allowed amounts for these services range $30–$100 (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.
Practice location
Mailing address
Additional practice locations (5)
- 18221 Torrence Ave Ste 1bLansing, IL 60438-2870Phone: (708) 895-9450
- 2320 Washtenaw Ave Ste BAnn Arbor, MI 48104-4558Phone: (734) 913-5100
- 43475 Dalcoma Dr Ste 100Clinton Twp, MI 48038-3593Phone: (586) 263-5043
- 22401 Foster Winter DrSouthfield, MI 48075-3724Phone: (248) 423-5198
- 11012 E 13 Mile Rd Ste 112aWarren, MI 48093-2546Phone: (586) 751-9800
Registry dates
- Enumerated
- 2014-04-23
- Last updated
- 2025-06-20
- Certified
- 2025-06-20
Frequently asked questions
- What is Elizabeth Larsen's NPI number?
- Elizabeth Larsen's National Provider Identifier (NPI) is 1649690181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Larsen's specialty?
- Elizabeth Larsen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Larsen located?
- Elizabeth Larsen's practice location on file with NPPES is 4235 Secor Rd, Toledo, OH 43623-4231.
- What is Elizabeth Larsen's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Larsen is (419) 473-3561.
- Does Elizabeth Larsen accept Medicare?
- Elizabeth Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Larsen's NPI active?
- Yes — Elizabeth Larsen's NPI (1649690181) is active in the NPPES registry as of the last update on 2025-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.