Sief S. Naser, M.D.
Emergency Medicine Physician · Oroville, CA
Sief S. Naser, M.D. is an emergency medicine physician with a practice address in Oroville, California, and NPI 1598078396, issued on Jul 21, 2010. Check the license (California A124264, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sief S. Naser
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A124264 CA
R72315 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2767 Olive Hwy, Oroville, CA 95966
- Phone
- (530) 533-8500
- Enumerated
- Jul 21, 2010
- Record last updated
- Jul 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (530) 538-3117
- Medicare enrollment
- Enrolled (PECOS I20131126001100); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2767 Olive Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Abbott, DOInternal Medicine Physician1477015329
- Samuel Acebo, MSN, CRNACertified Registered Nurse Anesthetist1083131445
- Natashya Adams, FNP-CFamily Nurse Practitioner1063979110
- Yesong AhnStudent in an Organized Health Care Education/Training Program1881532810
- Vanessa Akines, FNPNurse Practitioner1790417434
- Phillip Anderson, MDStudent in an Organized Health Care Education/Training Program1811835572
Verify Sief S. Naser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
17 Medicare Part D claims for 16 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $22.31
1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 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
- American Specialty Physicians Group IncColusa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sief S. Naser among 7,751 emergency medicine physician records in California
Sief S. Naser, M.D. is one of 7,751 emergency 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 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2010 · median 2011 among the 4,560 with a school on file
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Oroville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Massud Atta, MDOroville, CA 959661851956684
- Cynthia Cellucci-Chwalik, MDOroville, CA 959661457491359
- David Hall, MDOroville, CA 959661417993502
- Priss Harman, MDOroville, CA 959661851346530
- Matthew Macdonald, MDOroville, CA 959661922504463
- Oday Naser, M.D.Oroville, CA 959661609164300
- Peter Russo, MDOroville, CA 959651679528350
- Michael Lockwood, MDParadise, CA 959691245556364
Common questions
What is Sief S. Naser, M.D.'s NPI number?
Sief S. Naser, M.D.'s National Provider Identifier (NPI) is 1598078396, issued on Jul 21, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Sief S. Naser, M.D. located?
The NPPES record lists a practice address at 2767 Olive Hwy, Oroville, CA, 95966. Phone: (530) 533-8500. Providers update this record themselves, so call before visiting.
How can I verify Sief S. Naser, M.D.'s license?
NPPES lists California license number A124264, 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 Sief S. Naser, M.D. prescribe under Medicare Part D?
In 2024, Sief S. Naser, M.D. had 17 Medicare Part D claims for 16 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.