Tiffany Prachachalerm, DO
Internal Medicine Physician · Santa Ana, CA
Tiffany Prachachalerm, DO is an internal medicine physician with a practice address in Santa Ana, California, and NPI 1104319565, issued on Jun 11, 2018. Check the license (California 20A18914, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tiffany Prachachalerm
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A18914 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1212 W. 17TH St., Santa Ana, CA 92706
- Phone
- (714) 954-0432
- Enumerated
- Jun 11, 2018
- Record last updated
- Dec 17, 2024
- Fax
- (714) 796-6265
- Medicare enrollment
- Enrolled (PECOS I20210908002396); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, Henderson, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Tiffany Prachachalerm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A18914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,496 Medicare Part D claims for 190 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium340 claims
- Metformin Hcl225 claims
- Losartan Potassium215 claims
- Amlodipine Besylate203 claims
- Alendronate Sodium104 claims
- Fluticasone Propionate90 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.
Industry payments in 2024: $103.85
4 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Memorialcare Medical FoundationSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Prachachalerm among 17,696 internal medicine physician records in California
Tiffany Prachachalerm, DO 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 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).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Ana → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nabil GemayelSanta Ana, CA 927061619091691
- Hidenori Ikuhara, M.D.Santa Ana, CA 927061598889750
- Julie Low, MDSanta Ana, CA 927061972682698
- Quy Nguyen, M.D.Santa Ana, CA 927061033289699
- Hai Nguyen, M.D.Santa Ana, CA 927061558516963
- Christopher Ried, M.D.Santa Ana, CA 927061740359264
- Christopher Zimmerman, MD, MPHSanta Ana, CA 927061891018065
- Frank Badin, M.D.Santa Ana, CA 927051962562850
Common questions
What is Tiffany Prachachalerm, DO's NPI number?
Tiffany Prachachalerm, DO's National Provider Identifier (NPI) is 1104319565, issued on Jun 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Prachachalerm, DO located?
The NPPES record lists a practice address at 1212 W. 17TH St., Santa Ana, CA, 92706. Phone: (714) 954-0432. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Prachachalerm, DO's license?
NPPES lists California license number 20A18914, 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 Prachachalerm, DO prescribe under Medicare Part D?
In 2024, Tiffany Prachachalerm, DO had 2,496 Medicare Part D claims for 190 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.