CATHY IVORY CHENG (M.D.) – Internal Medicine Physician, NPI 1427347673
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
21,558 INTERNAL MEDICINE in CA
Provider Addresses for CATHY IVORY CHENG (M.D.)
411 N LAKEVIEW AVE
ANAHEIM, CA 928073028
Phone: (714) 279-5912
Type: Mailing
969 N MASON RD STE 250
SAINT LOUIS, MO 631416370
Phone: (314) 996-8072
Type: Mailing
16305 SAND CANYON AVE STE 230
IRVINE, CA 926183784
Phone: (949) 557-0130
Fax: (949) 557-0131
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 60 Open Payments records for all available years, with a total value of $1,429.
Total Amount is formed as General ($1,429) + Research ($0) + Ownership ($0) = $1,429.
Last reported payment date: 2024-12-27 • Largest payer in this snapshot: JAZZ PHARMACEUTICALS INC. ($771).
Total Amount
$1,429
General + Research + Ownership
Payments
60
Total payment records
General Amount
$1,429
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| JAZZ PHARMACEUTICALS INC. | $771 |
| Inspire Medical Systems, Inc. | $484 |
| ABBVIE INC. | $52 |
| Axsome Therapeutics, Inc. | $51 |
| UCB, Inc. | $33 |
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: 2014-12-10
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20141210000142 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 249 | 249 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 154 | 120 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 145 | 104 | $0 |
| 95810 | Sleep study in sleep lab (6 years or older) | 93 | 89 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 80 | 69 | $0 |
Insurance plans in this area (ZIP 92807)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | OH | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| Physician Assistant | CA | |
| N E U R O L O G Y | CA | |
| Internal Medicine | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Family Practice, Sports Medicine | CA | |
| Internal Medicine | NY |
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