Glenn Fleischhacker, D.O.
NPI 1871599597 · Anesthesiology Physician · Plainview, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glenn Fleischhacker, D.O. is a Anesthesiology Physician provider in Plainview, NY (NPI 1871599597).
Provider details
- NPI number
- 1871599597
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 188267 (NY)
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
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
88 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 Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 28 | $141 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 21 | $203 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 15 | $138 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 12 | $185 |
| Anesthesia for Other Procedure on Lower Leg, Ankle, and Foot Bones01480 | 12 | $206 |
Typical Medicare-allowed amounts for these services range $138–$206 (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
Registry dates
- Enumerated
- 2005-06-27
- Last updated
- 2023-03-20
- Certified
- 2023-03-20
Frequently asked questions
- What is Glenn Fleischhacker's NPI number?
- Glenn Fleischhacker's National Provider Identifier (NPI) is 1871599597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Fleischhacker's specialty?
- Glenn Fleischhacker is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn Fleischhacker located?
- Glenn Fleischhacker's practice location on file with NPPES is 888 Old Country Rd, Plainview, NY 11803-4914.
- What is Glenn Fleischhacker's phone number?
- The practice phone number listed in the NPPES registry for Glenn Fleischhacker is (516) 719-3000.
- Does Glenn Fleischhacker accept Medicare?
- Glenn Fleischhacker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glenn Fleischhacker's NPI active?
- Yes — Glenn Fleischhacker's NPI (1871599597) is active in the NPPES registry as of the last update on 2023-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.