John Khozozian, MD
NPI 1598740649 · Anesthesiology Physician · Westwood, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Khozozian, MD is a Anesthesiology Physician provider in Westwood, MA (NPI 1598740649).
Provider details
- NPI number
- 1598740649
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 213767 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
142 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 Arm Nerve Bundle (brachial Plexus)64415 | 55 | $68 |
| Anesthesia for Other Procedure on Top of Arm Bone and Shoulder Joint01630 | 49 | $227 |
| Anesthesia for Other Procedure Or Exam of Knee Joint Using an Endoscope01400 | 20 | $160 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 18 | $113 |
Typical Medicare-allowed amounts for these services range $68–$227 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 (1)
- Boston Outpatient Surgical Suites840 Winter St, 3rd FloorWaltham, MA 02451Phone: (781) 209-5645
Registry dates
- Enumerated
- 2005-12-13
- Last updated
- 2021-12-20
- Certified
- 2021-12-17
Frequently asked questions
- What is John Khozozian's NPI number?
- John Khozozian's National Provider Identifier (NPI) is 1598740649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Khozozian's specialty?
- John Khozozian is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Khozozian located?
- John Khozozian's practice location on file with NPPES is 690 Canton St, Westwood, MA 02090-2321.
- What is John Khozozian's phone number?
- The practice phone number listed in the NPPES registry for John Khozozian is (781) 407-7713.
- Does John Khozozian accept Medicare?
- John Khozozian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Khozozian's NPI active?
- Yes — John Khozozian's NPI (1598740649) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.