DR. JOHN SANG JIN LEE (M.D) – Anatomic Pathology & Clinical Pathology Physician, NPI 1447456926
Anatomic Pathology & Clinical Pathology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,584 PATHOLOGY in CA
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Provider Addresses for DR. JOHN SANG JIN LEE (M.D)
FILE 1440
PASADENA, CA 911991440
Phone: (858) 436-5027
Type: Mailing
Sharp Memorial Hospital, 7901, Frost Street, Serra Mesa, San Diego, San Diego County, California, 92123, United States
DEPARTMENT OF PATHOLOGY, SHARP MEMORIAL HOSPITAL
SAN DIEGO, CA 921232701
Phone: (858) 436-5027
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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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: 2011-08-03
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20110803000586 | 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 | 278 | 216 | $0 |
| 88350 | Antibody evaluation, each additional single antibody stain procedure | 117 | 14 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 109 | 31 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 103 | 62 | $0 |
| 88112 | Cell examination of specimen, selective cellular enhancement technique | 85 | 78 | $0 |
Insurance plans in this area (ZIP 91199)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | CA | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 92 | 82 |
| PATHOLOGY | CA | 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 131 | 93 |
| PATHOLOGY | CA | 88342 | Tissue or cell analysis by immunologic technique | 22 | 17 |
Group practice members
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| - | CA | |
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