Silvia Collazo, DO
Geriatric Medicine (Family Medicine) Physician · Los Angeles, CA
Silvia Collazo, DO is a geriatric medicine (family medicine) physician with a practice address in Los Angeles, California, and NPI 1083771224, issued on Jan 3, 2007. Check the license (California 20A7572, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Silvia Collazo
- Credential
- DO
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- 20A7572 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 Cesar Chavez Ave Ste 3300, Los Angeles, CA 90033
- Phone
- (323) 264-4114
- Enumerated
- Jan 3, 2007
- Record last updated
- Feb 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (323) 264-4662
- Medicaid ID
- 00AX75720 CA
- Medicare enrollment
- Enrolled (PECOS I20071211000418); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 243 in California → Look up another NPI →
Verify Silvia Collazo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
2,141 Medicare Part D claims for 246 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 149 claims were for opioids.
Most prescribed
- Atorvastatin Calcium110 claims
- Amlodipine Besylate88 claims
- Gabapentin83 claims
- Metformin Hcl62 claims
- Levothyroxine Sodium58 claims
- Furosemide55 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: $25.65
1 payment: food and beverage; the largest payer was ViiV Healthcare Company. The 460 providers of this specialty with any payment received $1,218.49 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.
Silvia Collazo among 243 geriatric medicine (family medicine) physician records in California
Silvia Collazo, DO is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 35% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1998 · median 2004 among the 111 with a school on file
- Record last updated2013 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X 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 (Family Medicine) Physician providers in California
There are 243 geriatric medicine (family medicine) physician records in California.
All 243 in California → Every provider in Los Angeles → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Carolyn Kaloostian, MDLos Angeles, CA 900331023300019
- Seyed Khalili, M.D.Los Angeles, CA 900331942526405
- Laura Mosqueda, MDLos Angeles, CA 900331629158886
- Caroline Park, MD PHDLos Angeles, CA 900331396270989
- David Chang, MDLos Angeles, CA 900271801968136
- Andrea CiseLos Angeles, CA 900271700297710
- Peter Khang, MDLos Angeles, CA 900271609947670
- Eric KimLos Angeles, CA 900271275096489
Common questions
What is Silvia Collazo, DO's NPI number?
Silvia Collazo, DO's National Provider Identifier (NPI) is 1083771224, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Silvia Collazo, DO located?
The NPPES record lists a practice address at 1700 Cesar Chavez Ave Ste 3300, Los Angeles, CA, 90033. Phone: (323) 264-4114. Providers update this record themselves, so call before visiting.
How can I verify Silvia Collazo, DO's license?
NPPES lists California license number 20A7572, 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 Silvia Collazo, DO prescribe under Medicare Part D?
In 2024, Silvia Collazo, DO had 2,141 Medicare Part D claims for 246 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.