Michael Kaiser, M.D.
NPI 1598818817 · Neurological Surgery Physician · New York, NY
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Kaiser, M.D. is a Neurological Surgery Physician provider in New York, NY (NPI 1598818817).
Provider details
- NPI number
- 1598818817
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 220494-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
285 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 88 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $100 |
| Fusion of Additional Segment of Spine22614 | 44 | $329 |
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment63048 | 27 | $147 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 27 | $62 |
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$115 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
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Kaiser's NPI number?
- Michael Kaiser's National Provider Identifier (NPI) is 1598818817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Kaiser's specialty?
- Michael Kaiser is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Kaiser located?
- Michael Kaiser's practice location on file with NPPES is 710 W 168th St, New York, NY 10032-3726.
- What is Michael Kaiser's phone number?
- The practice phone number listed in the NPPES registry for Michael Kaiser is (212) 305-0378.
- Does Michael Kaiser accept Medicare?
- Michael Kaiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Kaiser's NPI active?
- Yes — Michael Kaiser's NPI (1598818817) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.