Doctor profile · Federal record

Dr. Isabel Hill, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Hematology (Pathology) Physician · Hematology (Pathology) Physician · Sunnyvale, TX

  • NPI 1336304468
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
231 S Collins RD
Sunnyvale, TX 75182
(972) 892-3000
Additional location
133 Route 3
Dededo, GU 969296544
(671) 645-5500
fax (671) 645-5549
Mailing address
1355 River Bend Dr
Dallas, TX 752474915

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
December 3, 2018
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
Texas #P9142 · Guam #M-1811

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336304468. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
320
Distinct HCPCS
8
Medicare allowed
$10,092
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 117 78 $36
88304 Pathology examination of tissue using a microscope, moderately low complexity 46 37 $11
88311 Preparation of tissue for examination by removing any calcium present 45 29 $12
88307 Pathology examination of tissue using a microscope, moderately high complexity 37 28 $81
88112 Cell examination of specimen, selective cellular enhancement technique 22 16 $22
88108 Cell examination of specimen, concentration technique 20 17 $22
88342 Special stained specimen slides to examine tissue, initial procedure 19 19 $33
85060 Blood smear interpretation by physician with written report 14 13 $24

In context: peer comparison

Among 1 peers in Sunnyvale Anatomic Pathology & Clinical Pathology Physician, average services per provider: 40. This provider delivers 8.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Isabel Hill's medical specialty?
Dr. Isabel Hill practices Anatomic Pathology & Clinical Pathology Physician in Sunnyvale, TX.
Where does Dr. Isabel Hill practice?
Dr. Isabel Hill practices at 231 S Collins RD, Sunnyvale, TX 75182. Office phone: 9728923000.
What is Dr. Isabel Hill's NPI?
Dr. Isabel Hill's National Provider Identifier (NPI) is 1336304468, issued by NPPES.
Does Dr. Isabel Hill accept Medicare assignment?
Yes. Dr. Isabel Hill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isabel Hill commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, moderately low complexity (HCPCS 88304); Preparation of tissue for examination by removing any calcium present (HCPCS 88311). Source: CMS Medicare Physician & Other Practitioners file.