DR. EMILY GRAEME WATERHOUSE (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1043552771
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,586 PATHOLOGY in CA
Provider Addresses for DR. EMILY GRAEME WATERHOUSE (MD)
DEPT LA 24939
PASADENA, CA 911854939
Phone:
Type: Mailing
400 W PUEBLO ST
SANTA BARBARA, CA 931054353
Phone: (805) 569-7367
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-02-01
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190201000551 | I | Pathology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 501 | 338 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 308 | 83 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 256 | 106 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 171 | 120 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 91 | 87 | $0 |
Insurance plans in this area (ZIP 91185)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | NC | |
| P A T H O L O G Y | CA | |
| - | MO | |
| - | CA | |
| P A T H O L O G Y | CA | |
| Dermatology, Pathology | CA | |
| P A T H O L O G Y | CA | |
| - | CA | |
| P A T H O L O G Y | MS |
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