Tessa Antalan, MD
NPI 1427346758 · Geriatric Medicine (Internal Medicine) Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tessa Antalan, MD is a Geriatric Medicine (Internal Medicine) Physician provider in San Diego, CA (NPI 1427346758).
Provider details
- NPI number
- 1427346758
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A130238 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,744 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 737 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 535 | $192 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 276 | $137 |
| Admn Sarscov2 Vacc 1 Dose90480 | 42 | $46 |
| Administration of Influenza Virus VaccineG0008 | 42 | $35 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 334 | 90 |
| Levothyroxine Sodium | 305 | 77 |
| Amlodipine Besylate | 228 | 64 |
| Losartan Potassium | 220 | 60 |
| Alendronate Sodium | 181 | 48 |
| Lisinopril | 175 | 38 |
| Gabapentin | 129 |
Practice location
Mailing address
Additional practice locations (2)
- 823 Gateway Center WaySan Diego, CA 92102-4541Phone: (619) 515-2300Fax: (619) 906-4564
- 3544 30th StSan Diego, CA 92104-4120Phone: (619) 515-2424
Registry dates
- Enumerated
- 2011-07-20
- Last updated
- 2021-04-19
- Certified
- 2021-04-19
Frequently asked questions
- What is Tessa Antalan's NPI number?
- Tessa Antalan's National Provider Identifier (NPI) is 1427346758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tessa Antalan's specialty?
- Tessa Antalan is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Tessa Antalan located?
- Tessa Antalan's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Tessa Antalan's phone number?
- The practice phone number listed in the NPPES registry for Tessa Antalan is (800) 926-8273.
- Does Tessa Antalan accept Medicare?
- Tessa Antalan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tessa Antalan's NPI active?
- Yes — Tessa Antalan's NPI (1427346758) is active in the NPPES registry as of the last update on 2021-04-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.