Nelson Barritt Arnstein, MD
Nuclear Medicine Physician · Bellflower, CA
Nelson Barritt Arnstein, MD is a nuclear medicine physician with a practice address in Bellflower, California, and NPI 1629145529, issued on Nov 29, 2006. Check the license (California G54909, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nelson Barritt Arnstein
- Credential
- MD
- Primary taxonomy
- Nuclear Medicine Physician 207U00000X
- License number
- G54909 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9400 Rosecrans Ave, Bellflower, CA 90706
- Phone
- (562) 461-3000
- Enumerated
- Nov 29, 2006
- Record last updated
- Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100623000601); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1979
- Entity
- Type 1 · individual
8 nearest nuclear medicine physician records → All 150 in California → Look up another NPI →
Also registered at 9400 Rosecrans Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Basil Abdelkarim, MDInternal Medicine Physician1003968454
- Le Marie Abellon, NPNurse Practitioner1144389867
- Adrian Acevedo, MDEmergency Medicine Physician1407923303
- Pravin Acharya, MDEmergency Medicine Physician1104993088
- Michele Afshar, PAPhysician Assistant1013065952
- Maria Agbing-Mamangun, MDPsychiatry Physician1063589984
Verify Nelson Barritt Arnstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $62.82
2 payments; by number, the most common kind was food and beverage; the largest payer was GE Healthcare. The 172 providers of this specialty with any payment received $4,384.46 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
- Southern California Permanente Medical GroupDowney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nelson Barritt Arnstein among 150 nuclear medicine physician records in California
Nelson Barritt Arnstein, MD is one of 150 nuclear medicine physician records with a practice address in California. 59% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 42% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1979 · median 1999 among the 72 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207U00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nuclear Medicine Physician providers in California
There are 150 nuclear medicine physician records in California.
All 150 in California → Every provider in Bellflower → Nuclear Medicine Physician nationwide →
The 8 nuclear medicine physician records with the nearest ZIP codes
- Don Cho, MDNorwalk, CA 906501922036870
- Amir Entezari, M.D.Long Beach, CA 908061558674374
- William Brown, M.D.Long Beach, CA 908221720192271
- Cynthia Mayer, DOTorrance, CA 905031689824849
- Lalitha Ramanna, MDTorrance, CA 905031396727889
- George Edwards, M.D.Santa Monica, CA 904041538125489
- Ali Salavati, M.D., M.P.H.Santa Monica, CA 904041669868857
- Edwin Glass, M.D.Santa Monica, CA 904031629012612
Common questions
What is Nelson Barritt Arnstein, MD's NPI number?
Nelson Barritt Arnstein, MD's National Provider Identifier (NPI) is 1629145529, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nelson Barritt Arnstein, MD located?
The NPPES record lists a practice address at 9400 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 461-3000. Providers update this record themselves, so call before visiting.
How can I verify Nelson Barritt Arnstein, MD's license?
NPPES lists California license number G54909, 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.
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.