PENINNAH MUTUNGI (MD) – Internal Medicine Physician, NPI 1720251945
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,186 INTERNAL MEDICINE in MO
Provider Addresses for PENINNAH MUTUNGI (MD)
9735, Landmark Parkway Drive, Southwest Executive Center, Sunset Hills, Saint Louis County, Missouri, 63127, United States
STE 2 NORTH
SAINT LOUIS, MO 631271646
Phone: (314) 525-1328
Fax: (314) 525-1378
Type: Mailing
915 N Grand Blvd
Saint Louis, MO 631061621
Phone: (314) 652-4000
Type: Location
10420 Old Olive Street Rd Ste 100
Saint Louis, MO 631415937
Phone: (314) 914-4833
Type: Location
12700 Southfork Rd Ste 205
Saint Louis, MO 631283201
Phone: (314) 543-5264
Type: Location
10010 KENNERLY RD
SAINT LOUIS, MO 631282106
Phone: (314) 525-1328
Type: Mailing
St. Anthony's Medical Center, 10010, Kennerly Road, Sappington, Saint Louis County, Missouri, 63128, United States
3 SOUTHBRIDGE
SAINT LOUIS, MO 631282106
Phone: (314) 525-1328
Fax: (314) 525-1378
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: 2023-12-20 • Largest payer in this snapshot: Olympus America Inc. ($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
2023-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Olympus America Inc. | $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: 2010-08-02
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 |
|---|---|---|---|---|
| I20080513000538 | I | Internal Medicine | IL | TBD |
| I20100802000034 | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 433 | 172 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 177 | 98 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 148 | 146 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 69 | 68 | $0 |
Insurance plans in this area (ZIP 63127)
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