PETER M ROSENBERG (M.D.) – Gastroenterology Physician, NPI 1104890664
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,981 GASTROENTEROLOGY in CA
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Provider Addresses for PETER M ROSENBERG (M.D.)
Alessandro Place, Pasadena, Los Angeles County, California, 91105, United States
SUITE 410
PASADENA, CA 911053149
Phone: (626) 793-7114
Fax: (818) 889-0408
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 154 Open Payments records for all available years, with a total value of $3,658.
Total Amount is formed as General ($3,658) + Research ($0) + Ownership ($0) = $3,658.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($1,635).
Total Amount
$3,658
General + Research + Ownership
Payments
154
Total payment records
General Amount
$3,658
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,635 |
| Janssen Biotech, Inc. | $818 |
| Celltrion USA Inc. | $170 |
| Lilly USA, LLC | $155 |
| Takeda Pharmaceuticals U.S.A., Inc. | $79 |
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: 2003-12-05
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 |
|---|---|---|---|---|
| I20031205000363 | I | Gastroenterology | CA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 239 | 142 | $0 |
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 119 | 18 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 93 | 80 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 82 | 52 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 78 | 18 | $0 |
Insurance plans in this area (ZIP 91105)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | CA | 45385 | Removal of polyps or growths of large bowel using an endoscope | 33 | 33 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| U R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| U R O L O G Y | CA | |
| Urology, General Surgery | CA | |
| Gastroenterology, Internal Medicine | CA | |
| U R O L O G Y | CA | |
| - | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| G A S T R O E N T E R O L O G Y | CA |
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