NPPES file of Aug 9, 2026

David Alexander Jacoby, MD

Internal Medicine Physician · San Carlos, CA

David Alexander Jacoby, MD is an internal medicine physician with a practice address in San Carlos, California, and NPI 1295715134, issued on Jan 18, 2006. Check the license (California G27649, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295715134
Name
David Alexander Jacoby
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G27649 CA
Self-reported in NPPES; status is on the state search
Practice location
1036 Laurel St, San Carlos, CA 94070
Phone
(650) 631-7000
Enumerated
Jan 18, 2006
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(650) 631-2309
Medicare enrollment
Enrolled (PECOS I20080318000470); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1973
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1036 Laurel St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gail Jacoby, MDDermatology Physician1912987314

Verify David Alexander Jacoby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G27649
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

13% more Medicare Part D claims than the average internal medicine physician in 2024

3,593 Medicare Part D claims for 263 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 50 claims were for opioids.

  1. David Jacoby3,593
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium325 claims
  2. Levothyroxine Sodium154 claims
  3. Valsartan153 claims
  4. Rosuvastatin Calcium140 claims
  5. Amlodipine Besylate136 claims
  6. Lisinopril103 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.

The MIPS final score for 2023 (Medicare payment program): 23.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%77.4
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

David Alexander Jacoby among 17,696 internal medicine physician records in California

David Alexander Jacoby, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1973 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

18 internal medicine physician records list a practice address in San Carlos

They are 18 of the 1,015 NPPES records with a practice address in San Carlos, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rebecca Ashe, MDSan Carlos, CA 940701003980798
  2. Ritu BansalSan Carlos, CA 940701003096777
  3. Suzanne Dey, MDSan Carlos, CA 940701548362270
  4. Charlotte Gonzales, M.D.San Carlos, CA 940701891758892
  5. Kenneth Lin, MDSan Carlos, CA 940701972546976
  6. Martha Mejia, M.D.San Carlos, CA 940701871520155
  7. Shanti Perkins, M.D.San Carlos, CA 940701598844516
  8. Amy Portmore, MDSan Carlos, CA 940701386792455

Common questions

What is David Alexander Jacoby, MD's NPI number?

David Alexander Jacoby, MD's National Provider Identifier (NPI) is 1295715134, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Alexander Jacoby, MD located?

The NPPES record lists a practice address at 1036 Laurel St, San Carlos, CA, 94070. Phone: (650) 631-7000. Providers update this record themselves, so call before visiting.

How can I verify David Alexander Jacoby, MD's license?

NPPES lists California license number G27649, 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 David Alexander Jacoby, MD prescribe under Medicare Part D?

In 2024, David Alexander Jacoby, MD had 3,593 Medicare Part D claims for 263 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is David Alexander Jacoby, MD's MIPS final score?

The 2023 MIPS final score is 23.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.