Tessa Marcelle Buchan Antalan, MD
Geriatric Medicine (Internal Medicine) Physician · San Diego, CA
Tessa Marcelle Buchan Antalan, MD is a geriatric medicine (internal medicine) physician with a practice address in San Diego, California, and NPI 1427346758, issued on Jul 20, 2011. Check the license (California A130238, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tessa Marcelle Buchan Antalan
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A130238 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (800) 926-8273
- Enumerated
- Jul 20, 2011
- Record last updated
- Apr 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150724011640); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison A'Court, MDAnesthesiology Physician1912218199
- Benjamin Abbadessa, M.D.Colon & Rectal Surgery Physician1255593612
- Geraldine Abcede, RNCertified Registered Nurse Anesthetist1982384046
- Joseph Abdelmalek, M.DNephrology Physician1740485531
- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify Tessa Marcelle Buchan Antalan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A130238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
5,191 Medicare Part D claims for 427 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 151 claims were for opioids.
Most prescribed
- Atorvastatin Calcium334 claims
- Levothyroxine Sodium305 claims
- Amlodipine Besylate228 claims
- Losartan Potassium220 claims
- Alendronate Sodium181 claims
- Lisinopril175 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tessa Marcelle Buchan Antalan among 532 geriatric medicine (internal medicine) physician records in California
Tessa Marcelle Buchan Antalan, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 74% of them.
- NPI issued2011 · 74% of these records are older, 25% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2009 · median 1999 among the 271 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in San Diego → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Parag Agnihotri, M.D.San Diego, CA 921031447351085
- Paul AisenSan Diego, CA 921031669470753
- Paul Gamble, M.D.San Diego, CA 921031407871569
- Veronica Gonzalez, M.D.San Diego, CA 921031083905715
- Roopali Gupta, MDSan Diego, CA 921031265641930
- Gita Mehta, M.D.San Diego, CA 921031538215264
- Elizabeth Menkin, MDSan Diego, CA 921031639241383
- Alison Moore, MDSan Diego, CA 921031265452882
Common questions
What is Tessa Marcelle Buchan Antalan, MD's NPI number?
Tessa Marcelle Buchan Antalan, MD's National Provider Identifier (NPI) is 1427346758, issued on Jul 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tessa Marcelle Buchan Antalan, MD located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Tessa Marcelle Buchan Antalan, MD's license?
NPPES lists California license number A130238, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tessa Marcelle Buchan Antalan, MD prescribe under Medicare Part D?
In 2024, Tessa Marcelle Buchan Antalan, MD had 5,191 Medicare Part D claims for 427 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Tessa Marcelle Buchan Antalan, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.