Peter Mazanec, M.D.
NPI 1598296105 · Anesthesiology Physician · West Hollywood, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Mazanec, M.D. is a Anesthesiology Physician provider in West Hollywood, CA (NPI 1598296105).
Provider details
- NPI number
- 1598296105
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
115 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) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 28 | $52 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 21 | $183 |
| Ultrasonic Guidance for Needle Placement76942 | 20 | $31 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 18 | $45 |
| Injection of Anesthetic Agent And/Or Steroid Into Lower Back and Leg Nerve (sciatic Nerve)64445 | 16 | $75 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 12 | $196 |
Practice location
Mailing address
Additional practice locations (1)
- 1411 E 31st StDept. of SurgeryOakland, CA 94602-1018Phone: (510) 437-4965
Registry dates
- Enumerated
- 2017-03-24
- Last updated
- 2022-10-10
- Certified
- 2022-10-10
Frequently asked questions
- What is Peter Mazanec's NPI number?
- Peter Mazanec's National Provider Identifier (NPI) is 1598296105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Mazanec's specialty?
- Peter Mazanec is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Mazanec located?
- Peter Mazanec's practice location on file with NPPES is 8700 Beverly Blvd, West Hollywood, CA 90048-1804.
- What is Peter Mazanec's phone number?
- The practice phone number listed in the NPPES registry for Peter Mazanec is (310) 423-1447.
- Does Peter Mazanec accept Medicare?
- Peter Mazanec is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Mazanec's NPI active?
- Yes — Peter Mazanec's NPI (1598296105) is active in the NPPES registry as of the last update on 2022-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.