Katherine Hagan, MD
NPI 1558594226 · Anesthesiology Physician · Kingwood, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Hagan, MD is a Anesthesiology Physician provider in Kingwood, TX (NPI 1558594226).
Provider details
- NPI number
- 1558594226
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- M9334 (TX)
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
16 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
106 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 | 40 | $93 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 23 | $75 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 20 | $80 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 12 | $78 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 11 | $84 |
Typical Medicare-allowed amounts for these services range $75–$93 (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
- 2009-08-28
- Last updated
- 2012-10-22
Frequently asked questions
- What is Katherine Hagan's NPI number?
- Katherine Hagan's National Provider Identifier (NPI) is 1558594226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Hagan's specialty?
- Katherine Hagan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Hagan located?
- Katherine Hagan's practice location on file with NPPES is 808 Russell Palmer Rd, Kingwood, TX 77339-1689.
- What is Katherine Hagan's phone number?
- The practice phone number listed in the NPPES registry for Katherine Hagan is (281) 540-7500.
- Does Katherine Hagan accept Medicare?
- Katherine Hagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Hagan's NPI active?
- Yes — Katherine Hagan's NPI (1558594226) is active in the NPPES registry as of the last update on 2012-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.