DR. SULLYVAN W TANG (M.D.) – Internal Medicine Physician, NPI 1770549206
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,508 INTERNAL MEDICINE in CA
Provider Addresses for DR. SULLYVAN W TANG (M.D.)
823 Gateway Center Way
San Diego, CA 921024541
Phone: (619) 515-2300
Fax: (619) 906-4564
Type: Location
PO BOX 35380
LAS VEGAS, NV 891335380
Phone:
Type: Mailing
1661 GOLDEN RAIN RD
SEAL BEACH, CA 907404907
Phone: (562) 493-9581
Fax: (562) 795-6389
Type: Location
Family Health Centers of San Diego, 823, Gateway Center Way, Mount Hope, San Diego, San Diego County, California, 92102, United States
SAN DIEGO, CA 921024541
Phone: (619) 515-2300
Fax: (619) 906-4564
Type: Mailing
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: 2024-03-27 • Largest payer in this snapshot: Medtronic, 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
2024-03-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, 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: 2004-02-05
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 |
|---|---|---|---|---|
| I20040205000215 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 465 | 162 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 86 | 86 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 82 | 63 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 40 | 33 | $0 |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 21 | 13 | $0 |
Insurance plans in this area (ZIP 92102)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| Internal Medicine | NV | |
| Osteopathic Manipulative Medicine, Family Practice, General Practice | CA | |
| Family Practice | NV | |
| Family Practice | NV | |
| Internal Medicine | CO | |
| - | CA | |
| Internal Medicine | CA | |
| Physician Assistant | NV |
Reviews
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