Mark F. Varallo, DO
Family Medicine Physician · Whittier, CA
Mark F. Varallo, DO is a family medicine physician with a practice address in Whittier, California, and NPI 1588722946, issued on Dec 5, 2006. Check the license (California 20A8108, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark F. Varallo
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A8108 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15733 Whittier Blvd, Whittier, CA 90603
- Phone
- (562) 947-7754
- Enumerated
- Dec 5, 2006
- Record last updated
- Jul 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080130000797); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 15733 Whittier Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Galdamez, PAPhysician Assistant1598078230
- Lisa Perez, FNPFamily Nurse Practitioner1194571455
- Michael Trias, PA-CPhysician Assistant1053660464
Verify Mark F. Varallo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average family medicine physician in 2024
1,505 Medicare Part D claims for 184 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Metformin Hcl124 claims
- Lisinopril99 claims
- Atorvastatin Calcium83 claims
- Amlodipine Besylate76 claims
- Omeprazole68 claims
- Losartan Potassium66 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: $21.45
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 55,478 providers of this specialty with any payment received $902.55 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
- Friends OF Family Health CenterLa Habra, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark F. Varallo among 17,133 family medicine physician records in California
Mark F. Varallo, DO 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1997 · median 2005 among the 10,652 with a school on file
- Record last updated2011 · 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).
87 family medicine physician records list a practice address in Whittier
They are 87 of the 2,836 NPPES records with a practice address in Whittier, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Whittier → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kathleen Barry, M.D.Whittier, CA 906031770674343
- Kimberly Bartelus, MDWhittier, CA 906031831578236
- Robert Boonyaputthikul, D.O.Whittier, CA 906031700198801
- Rosario Cecilio, M.D.Whittier, CA 906031841299898
- Rachel Dimacali, PA-CWhittier, CA 906031881989846
- Sylvia Garcia, M.D.Whittier, CA 906031497704761
- Randolph Holmes, M.D.Whittier, CA 906031235227984
- Stanley Kaller, DOWhittier, CA 906031013917145
Common questions
What is Mark F. Varallo, DO's NPI number?
Mark F. Varallo, DO's National Provider Identifier (NPI) is 1588722946, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark F. Varallo, DO located?
The NPPES record lists a practice address at 15733 Whittier Blvd, Whittier, CA, 90603. Phone: (562) 947-7754. Providers update this record themselves, so call before visiting.
How can I verify Mark F. Varallo, DO's license?
NPPES lists California license number 20A8108, 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 Mark F. Varallo, DO prescribe under Medicare Part D?
In 2024, Mark F. Varallo, DO had 1,505 Medicare Part D claims for 184 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.