Isabel Hill, M.D.
NPI 1336304468 · Anatomic Pathology & Clinical Pathology Physician · Sunnyvale, TX
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabel Hill, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Sunnyvale, TX (NPI 1336304468).
Provider details
- NPI number
- 1336304468
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- M-1811 (GU)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
254 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 89 | $34 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 53 | $11 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 38 | $11 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 27 | $78 |
| Blood Smear Interpretation By Physician With Written Report85060 | 18 | $23 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 15 | $30 |
Practice location
Mailing address
Additional practice locations (1)
- 133 Route 3Dededo, GU 96929-6544Phone: (671) 645-5500Fax: (671) 645-5549
Registry dates
- Enumerated
- 2008-07-29
- Last updated
- 2018-12-03
Frequently asked questions
- What is Isabel Hill's NPI number?
- Isabel Hill's National Provider Identifier (NPI) is 1336304468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Hill's specialty?
- Isabel Hill is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Isabel Hill located?
- Isabel Hill's practice location on file with NPPES is 231 S Collins Rd, Sunnyvale, TX 75182.
- What is Isabel Hill's phone number?
- The practice phone number listed in the NPPES registry for Isabel Hill is (972) 892-3000.
- Does Isabel Hill accept Medicare?
- Isabel Hill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabel Hill's NPI active?
- Yes — Isabel Hill's NPI (1336304468) is active in the NPPES registry as of the last update on 2018-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.