DR. CHRISTOPHER DANIEL JAMES ROMBERG (MD) – Gastroenterology Physician, NPI 1215096953
Gastroenterology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for DR. CHRISTOPHER DANIEL JAMES ROMBERG (MD)
4733, West Sunset Boulevard, East Hollywood, Los Angeles, Los Angeles County, California, 90027, United States
LOS ANGELES, CA 900276021
Phone: (323) 783-4011
Type: Mailing
PO BOX 45680
SAN FRANCISCO, CA 941450680
Phone: (530) 626-2787
Type: Mailing
3501 PALMER DR STE 201
CAMERON PARK, CA 956828276
Phone: (530) 626-2611
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $164.
Total Amount is formed as General ($164) + Research ($0) + Ownership ($0) = $164.
Last reported payment date: 2024-08-14 • Largest payer in this snapshot: ABBVIE INC. ($144).
Total Amount
$164
General + Research + Ownership
Payments
3
Total payment records
General Amount
$164
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $144 |
| Olympus America Inc. | $20 |
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: 2010-12-28
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 |
|---|---|---|---|---|
| I20101228000747 | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 39 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 33 | 33 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 27 | 24 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 24 | 24 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 22 | 22 | $0 |
Insurance plans in this area (ZIP 90027)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| - | CA | |
| Orthopedic Surgery | CA | |
| Internal Medicine | CA | |
| Family Practice, Addiction Medicine, Emergency Medicine, Preventive Medicine | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| Nurse Practitioner | CA | |
| - | CA |
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