ANDREW MARTIN HEMMEN (MD) – Internal Medicine Physician, NPI 1043316847
Internal Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
3,582 INTERNAL MEDICINE in AZ
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Provider Addresses for ANDREW MARTIN HEMMEN (MD)
Box Avenue, Sandy Point, Shire of South Gippsland, Victoria, Australia
SANDY, UT 840708850
Phone: (801) 352-9500
Fax: (801) 352-9502
Type: Mailing
Banner Baywood Medical Center, 6644, East Baywood Avenue, Fountain East, Mesa, Maricopa County, Arizona, 85206, United States
MESA, AZ 852061747
Phone: (480) 981-4391
Fax: (480) 981-4624
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $23.
Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.
Last reported payment date: 2023-03-09 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($23).
Total Amount
$23
General + Research + Ownership
Payments
1
Total payment records
General Amount
$23
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $23 |
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: 2009-02-04
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 |
|---|---|---|---|---|
| I20090204000601 | I | Internal Medicine | NM | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 286 | 121 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 92 | 57 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 66 | 66 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 59 | 59 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 39 | 39 | $0 |
Insurance plans in this area (ZIP 84070)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | AZ | |
| - | NC | |
| Internal Medicine | TX | |
| - | TX | |
| Physician Assistant | TX | |
| - | TX | |
| - | LA | |
| Internal Medicine | PA | |
| - | KS | |
| Hospitalist, Internal Medicine | NM |
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