Nicholas Baumler, D.O.
NPI 1659542660 · Anesthesiology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Baumler, D.O. is a Anesthesiology Physician provider in Phoenix, AZ (NPI 1659542660).
Provider details
- NPI number
- 1659542660
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 58.002296 (OH)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
292 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 67 | $107 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 62 | $3 |
| Anesthesia for X-Ray on Artery of Brain, Heart, Or Chest01926 | 44 | $294 |
| Ultrasound of Heart Blood Flow, Valves and Chambers93320 | 32 | $18 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 30 | $85 |
| Anesthesia for Procedure on Heart and Large Blood Vessels00560 | 18 | $496 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$199 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 9500 Euclid AveCleveland, OH 44195-0001Phone: (216) 444-2200
Registry dates
- Enumerated
- 2008-03-18
- Last updated
- 2019-12-16
- Certified
- 2019-12-16
Frequently asked questions
- What is Nicholas Baumler's NPI number?
- Nicholas Baumler's National Provider Identifier (NPI) is 1659542660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Baumler's specialty?
- Nicholas Baumler is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Baumler located?
- Nicholas Baumler's practice location on file with NPPES is 645 E Missouri Ave Ste 300, Phoenix, AZ 85012-1351.
- What is Nicholas Baumler's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Baumler is (602) 262-8900.
- Does Nicholas Baumler accept Medicare?
- Nicholas Baumler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Baumler's NPI active?
- Yes — Nicholas Baumler's NPI (1659542660) is active in the NPPES registry as of the last update on 2019-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.