DR. MARK HENDERSON (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1891895272
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
32 ENDOCRINOLOGY in ME
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Provider Addresses for DR. MARK HENDERSON (MD)
C/O ST MARYS HEALTH SYSTEM - PROVIDER ENROLLMENT
PO BOX 7291
LEWISTON, ME 042437291
Phone: (207) 777-8560
Fax: (207) 777-8800
Type: Mailing
St. Joseph Healthcare Park, 900, Broadway, East Bangor, Bangor, Penobscot County, Maine, 04401, United States
BANGOR, ME 044011900
Phone: (207) 907-1187
Fax: (207) 907-1189
Type: Location
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2005-07-22
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 |
|---|---|---|---|---|
| I20050722000130 | I | Endocrinology | ME | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 79 | 78 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 60 | 59 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 14 | 14 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 14 | 13 | $0 |
Insurance plans in this area (ZIP 04243)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | NY | |
| Internal Medicine | ME | |
| Family Practice | ME | |
| G A S T R O E N T E R O L O G Y | ME | |
| Internal Medicine | ME | |
| G A S T R O E N T E R O L O G Y | ME | |
| Physician Assistant | ME | |
| Pulmonary Disease, Critical Care (Intensivists) | ME | |
| Orthopedic Surgery | NY | |
| Certified Registered Nurse Anesthetist (Crna) | ME |
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