MARK ATKINSON VANGORDER (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1053304956
Anatomic Pathology & Clinical Pathology Physician
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NPPES metrics only — not quality of care.
767 PATHOLOGY in IL
Provider Addresses for MARK ATKINSON VANGORDER (MD)
113, East 4th Street, Michigan City, LaPorte County, Indiana, 46360, United States
MICHIGAN CITY, IN 463603301
Phone: (219) 873-3130
Fax: (219) 873-3132
Type: Mailing
ST JAMES HOSPITAL- CHICAGO HEIGHTS
1423 CHICAGO RD
CHICAGO HEIGHTS, IL 604113483
Phone: (708) 756-1000
Fax: (708) 709-2006
Type: Location
5700 SOUTHWYCK BLVD
TOLEDO, OH 436141509
Phone: (800) 288-8325
Fax: (419) 866-5453
Type: Mailing
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 604611010
Phone: (708) 747-4000
Fax: (708) 503-3242
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: 2010-07-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100504000213 | I | Pathology | IN | TBD |
| I20100728000579 | I | Pathology | IL | 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 | 1,418 | 576 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 423 | 101 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 214 | 162 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 102 | 86 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 95 | 66 | $0 |
Insurance plans in this area (ZIP 46360)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PATHOLOGY | IL | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 40 | 40 |
| PATHOLOGY | IL | 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 76 | 44 |
| PATHOLOGY | IL | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 45 | 34 |
| PATHOLOGY | IL | 88342 | Tissue or cell analysis by immunologic technique | 310 | 244 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | MD | |
| - | IN | |
| P A T H O L O G Y | OH | |
| - | IN | |
| P A T H O L O G Y | IN | |
| P A T H O L O G Y | IA | |
| P A T H O L O G Y | IN | |
| - | IN | |
| P A T H O L O G Y | AZ |
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