NPPES file of Aug 9, 2026

Verretta Deorosan, M.D.

Internal Medicine Physician · Los Angeles, CA

Verretta Deorosan, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1104997683, issued on Nov 13, 2006. Check the license (California G73639, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104997683
Name
Verretta Deorosan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G73639 CA
Self-reported in NPPES; status is on the state search
Practice location
11502 S Vermont Ave, Los Angeles, CA 90044
Phone
(323) 779-2800
Enumerated
Nov 13, 2006
Record last updated
Jul 30, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(323) 754-4014
Medicaid ID
OOG736390 CA
Medicare enrollment
Enrolled (PECOS I20080529000242); may accept Medicare assignment
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.
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Also registered at 11502 S Vermont Ave

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

  1. Kieshawn BrownAddiction (Substance Use Disorder) Counselor1659553154
  2. Elizabeth CastroAddiction (Substance Use Disorder) Counselor1205018702
  3. John ClemmonsAddiction (Substance Use Disorder) Counselor1376712182
  4. Jeffrey CoprichAddiction (Substance Use Disorder) Counselor1265672299
  5. Marsha DixonAddiction (Substance Use Disorder) Counselor1487836987
  6. John DuranAddiction (Substance Use Disorder) Counselor1720398613

Verify Verretta Deorosan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G73639
    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.

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12% more Medicare Part D claims than the average internal medicine physician in 2024

3,543 Medicare Part D claims for 195 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 313 claims were for opioids.

  1. Verretta Deorosan3,543
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate260 claims
  2. Atorvastatin Calcium145 claims
  3. Albuterol Sulfate Hfa116 claims
  4. Tramadol Hcl111 claims
  5. Ibuprofen94 claims
  6. Gabapentin93 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: $326.35

8 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.

  1. Verretta Deorosan$326.35
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Verretta Deorosan among 17,696 internal medicine physician records in California

Verretta Deorosan, M.D. 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
  • Graduated1990 · median 2004 among the 11,065 with a school on file
  • Record last updated2008 · 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).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sahar Abdelrahman, MDLos Angeles, CA 900441194013417
  2. Stanislaus Awariefe, MDLos Angeles, CA 900441972624021
  3. Jacqueline Bowles, M.D.Los Angeles, CA 900441639198260
  4. Melissa Moseberry, MDLos Angeles, CA 900441114928504
  5. Jimmy Soliman, M.D.Los Angeles, CA 900441770517278
  6. Kemia Carlyle, D.O.,M.P.H.Los Angeles, CA 900431891806097
  7. Susannah Ehret, MDLos Angeles, CA 900451447251640
  8. Jarvis Gatlin, MDLos Angeles, CA 900431558362954

Common questions

What is Verretta Deorosan, M.D.'s NPI number?

Verretta Deorosan, M.D.'s National Provider Identifier (NPI) is 1104997683, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Verretta Deorosan, M.D. located?

The NPPES record lists a practice address at 11502 S Vermont Ave, Los Angeles, CA, 90044. Phone: (323) 779-2800. Providers update this record themselves, so call before visiting.

How can I verify Verretta Deorosan, M.D.'s license?

NPPES lists California license number G73639, 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 Verretta Deorosan, M.D. prescribe under Medicare Part D?

In 2024, Verretta Deorosan, M.D. had 3,543 Medicare Part D claims for 195 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.