Neal Siex, D.O.
NPI 1871555912 · Anesthesiology Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neal Siex, D.O. is a Anesthesiology Physician provider in Tulsa, OK (NPI 1871555912).
Provider details
- NPI number
- 1871555912
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 3492 (OK)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
183 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 Lens Surgery00142 | 52 | $110 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 50 | $64 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 35 | $58 |
| Anesthesia for Procedure on Eyelid00103 | 18 | $191 |
| Anesthesia for Other Procedure on Eye00140 | 17 | $140 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 11 | $116 |
Typical Medicare-allowed amounts for these services range $58–$191 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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
- 2006-04-04
- Last updated
- 2015-05-28
Frequently asked questions
- What is Neal Siex's NPI number?
- Neal Siex's National Provider Identifier (NPI) is 1871555912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neal Siex's specialty?
- Neal Siex is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Neal Siex located?
- Neal Siex's practice location on file with NPPES is 1611 S Utica Ave, Tulsa, OK 74104-4909.
- What is Neal Siex's phone number?
- The practice phone number listed in the NPPES registry for Neal Siex is (918) 744-3664.
- Does Neal Siex accept Medicare?
- Neal Siex is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neal Siex's NPI active?
- Yes — Neal Siex's NPI (1871555912) is active in the NPPES registry as of the last update on 2015-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.