JOHN EDWARD HARTWEGER (MD) – Internal Medicine Physician, NPI 1366443756
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,186 INTERNAL MEDICINE in MO
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Provider Addresses for JOHN EDWARD HARTWEGER (MD)
12101, Woodcrest Executive Drive, Creve Coeur, Saint Louis County, Missouri, 63141, United States
SUITE 210
SAINT LOUIS, MO 631415047
Phone: (314) 317-0600
Fax: (314) 317-0606
Type: Mailing
Barnes-Jewish St. Peters Hospital, 10, Hospital Drive, Saint Peters, Saint Charles County, Missouri, 63376, United States
SAINT PETERS, MO 633761659
Phone: (314) 317-0600
Fax: (314) 317-0606
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: 2010-08-17
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 |
|---|---|---|---|---|
| I20100817001345 | I | Internal Medicine | MO | 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 | 617 | 197 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 234 | 198 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 105 | 94 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 66 | 62 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 47 | 33 | $0 |
Insurance plans in this area (ZIP 63141)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | KY | |
| Family Practice, Geriatric Medicine | KY | |
| Internal Medicine | NY | |
| Internal Medicine, Emergency Medicine | MS | |
| Pulmonary Disease, Critical Care (Intensivists) | TN | |
| - | MO | |
| Physician Assistant | KY | |
| Internal Medicine | TN | |
| Internal Medicine | SC | |
| - | TN |
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