Rania Mary Shammas, M.D.
Rheumatology Physician · Burbank, CA
Rania Mary Shammas, M.D. is a rheumatology physician with a practice address in Burbank, California, and NPI 1194959338, issued on May 1, 2009. Check the license (California A104236, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rania Mary Shammas
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A104236 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2625 W Alameda Ave Ste 322, Burbank, CA 91505
- Phone
- (818) 843-9020
- Enumerated
- May 1, 2009
- Record last updated
- Mar 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100923000557); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 2625 W Alameda Ave Ste 322
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rania Mary Shammas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A104236Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average rheumatology physician in 2024
2,147 Medicare Part D claims for 332 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 97 claims were for opioids.
Most prescribed
- Prednisone179 claims
- Hydroxychloroquine Sulfate170 claims
- Gabapentin157 claims
- Meloxicam131 claims
- Methotrexate129 claims
- Celecoxib107 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.25
1 payment: food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rania Mary Shammas among 926 rheumatology physician records in California
Rania Mary Shammas, M.D. is one of 926 rheumatology 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 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2005 · median 2003 among the 641 with a school on file
- Record last updated2017 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Burbank → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Shahin Bagheri, MDBurbank, CA 915051457359978
- Chesca Czarina Barrios, MDBurbank, CA 915051821595307
- Eileen Breyde, M.D.Burbank, CA 915051770585887
- Karla CrinerBurbank, CA 915051619321460
- Muntarin KarimBurbank, CA 915051235794181
- Gilbert Ross, MDBurbank, CA 915051952362915
- Amy Trang, MDBurbank, CA 915051437713963
- Lisa ZhuEncino, CA 914361235524596
Common questions
What is Rania Mary Shammas, M.D.'s NPI number?
Rania Mary Shammas, M.D.'s National Provider Identifier (NPI) is 1194959338, issued on May 1, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rania Mary Shammas, M.D. located?
The NPPES record lists a practice address at 2625 W Alameda Ave Ste 322, Burbank, CA, 91505. Phone: (818) 843-9020. Providers update this record themselves, so call before visiting.
How can I verify Rania Mary Shammas, M.D.'s license?
NPPES lists California license number A104236, 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 Rania Mary Shammas, M.D. prescribe under Medicare Part D?
In 2024, Rania Mary Shammas, M.D. had 2,147 Medicare Part D claims for 332 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Rania Mary Shammas, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.