GORDON S. APPELBAUM (M.D.) – Emergency Medicine Physician, NPI 1245200674
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,790 EMERGENCY MEDICINE in CA
Provider Addresses for GORDON S. APPELBAUM (M.D.)
41540 Winchester Rd
Temecula, CA 925904877
Phone: (951) 365-5585
Fax: (951) 404-7074
Type: Location
4647 Zion Ave
San Diego, CA 921202507
Phone: (619) 528-5000
Type: Location
12615, Kestrel Street, Rancho Peñasquitos, San Diego, San Diego County, California, 92129, United States
SAN DIEGO, CA 921293540
Phone:
Type: Mailing
4171 OCEANSIDE BLVD
OCEANSIDE, CA 920566023
Phone: (760) 216-6253
Type: Location
410 W 10TH AVE
COLUMBUS, OH 432101240
Phone: (614) 293-8000
Fax: (614) 293-3124
Type: Location
Kaiser Permanente Zion Medical Center, 4647, Zion Avenue, Grantville, Allied Gardens, San Diego, San Diego County, California, 92120, United States
SAN DIEGO, CA 921202507
Phone: (619) 528-5000
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: 2017-05-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20060220000628 | I | Internal Medicine | HI | TBD |
| I20070228000279 | I | Emergency Medicine | CA | TBD |
| I20170511000633 | I | Emergency Medicine | NM | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 217 | 184 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 206 | 206 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 204 | 162 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 155 | 155 | $0 |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 147 | 137 | $0 |
Insurance plans in this area (ZIP 92590)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | CA | 71010 | X-ray of chest, 1 view, front | 37 | 37 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | WA | |
| Family Practice, General Practice | CA | |
| Nurse Practitioner | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Physician Assistant | OH | |
| Physician Assistant | CA |
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