Sullyvan Tang, M.D.
NPI 1770549206 · Internal Medicine Physician · Seal Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sullyvan Tang, M.D. is a Internal Medicine Physician provider in Seal Beach, CA (NPI 1770549206).
Provider details
- NPI number
- 1770549206
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A60959 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
627 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 449 | $139 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 79 | $21 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $194 |
| Administration of Influenza Virus VaccineG0008 | 16 | $35 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 92 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 342 | 106 |
| Atorvastatin Calcium | 297 | 87 |
| Levothyroxine Sodium | 234 | 72 |
| Amlodipine Besylate | 190 | 59 |
| Losartan Potassium | 173 | 49 |
| Lisinopril | 169 | 44 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 823 Gateway Center WaySan Diego, CA 92102-4541Phone: (619) 515-2300Fax: (619) 906-4564
Registry dates
- Enumerated
- 2006-04-24
- Last updated
- 2025-11-30
- Certified
- 2025-11-30
Frequently asked questions
- What is Sullyvan Tang's NPI number?
- Sullyvan Tang's National Provider Identifier (NPI) is 1770549206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sullyvan Tang's specialty?
- Sullyvan Tang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sullyvan Tang located?
- Sullyvan Tang's practice location on file with NPPES is 1661 Golden Rain Rd, Seal Beach, CA 90740-4907.
- What is Sullyvan Tang's phone number?
- The practice phone number listed in the NPPES registry for Sullyvan Tang is (562) 493-9581.
- Does Sullyvan Tang accept Medicare?
- Sullyvan Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sullyvan Tang's NPI active?
- Yes — Sullyvan Tang's NPI (1770549206) is active in the NPPES registry as of the last update on 2025-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.