Tiffany Alice Davis-Maltby, MD
Family Medicine Physician · San Diego, CA
Tiffany Alice Davis-Maltby, MD is a family medicine physician with a practice address in San Diego, California, and NPI 1437207461, issued on Jan 8, 2007. Check the license (California A90165, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tiffany Alice Davis-Maltby
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A90165 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4647 Zion Ave, San Diego, CA 92120
- Phone
- (619) 528-5000
- Enumerated
- Jan 8, 2007
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080610000861); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4647 Zion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tiffany Alice Davis-Maltby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A90165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average family medicine physician in 2024
2,026 Medicare Part D claims for 279 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 27 claims were for opioids.
Most prescribed
- Atorvastatin Calcium150 claims
- Levothyroxine Sodium102 claims
- Rosuvastatin Calcium99 claims
- Lisinopril96 claims
- Losartan Potassium86 claims
- Simvastatin79 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Alice Davis-Maltby among 17,133 family medicine physician records in California
Tiffany Alice Davis-Maltby, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richard Brown, MDSan Diego, CA 921201528139565
- Abigail Buhain, MDSan Diego, CA 921201043252489
- Margaret Elizondo, M.D.San Diego, CA 921201386696466
- Nancy Green, MDSan Diego, CA 921201861569790
- Daniel Hiser, M.D.San Diego, CA 921201376577973
- Vincent Kater, M.D.San Diego, CA 921201629057005
- Ronald Kerr, MDSan Diego, CA 921201114094067
- Christine Ko, MDSan Diego, CA 921201265466551
Common questions
What is Tiffany Alice Davis-Maltby, MD's NPI number?
Tiffany Alice Davis-Maltby, MD's National Provider Identifier (NPI) is 1437207461, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Alice Davis-Maltby, MD located?
The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Alice Davis-Maltby, MD's license?
NPPES lists California license number A90165, 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 Tiffany Alice Davis-Maltby, MD prescribe under Medicare Part D?
In 2024, Tiffany Alice Davis-Maltby, MD had 2,026 Medicare Part D claims for 279 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.