Rex Edward Moulton-Barrett, M.D.
Specialist · Alameda, CA
Rex Edward Moulton-Barrett, M.D. is a specialist with a practice address in Alameda, California, and NPI 1770648057, issued on Dec 27, 2006. Check the license (California A45787, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rex Edward Moulton-Barrett
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A45787 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2070 Clinton Ave FL 4, Alameda, CA 94501
- Phone
- (510) 864-1800
- Enumerated
- Dec 27, 2006
- Record last updated
- Mar 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (510) 864-1180
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 2070 Clinton Ave FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alka Sharma, M.D.Nephrology Physician1275737561
Verify Rex Edward Moulton-Barrett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A45787Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average specialist in 2024
175 Medicare Part D claims for 41 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Cephalexin34 claims
- Hydrocodone-Acetaminophen30 claims
- Ondansetron Odt29 claims
- Clonidine Hcl24 claims
- Diazepam17 claims
- Mupirocin16 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: $35.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Mentor Worldwide LLC. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Rex Edward Moulton-Barrett among 5,749 specialist records in California
Rex Edward Moulton-Barrett, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2010 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Alameda → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Haley BargerAlameda, CA 945011003591819
- Jessica CatanoAlameda, CA 945011821218751
- Joseph FerrerAlameda, CA 945011194696419
- Shivinder Kaur, MDAlameda, CA 945011982881991
- Richard Kochenburger, M.D.Alameda, CA 945011790869196
- Erlisa KociAlameda, CA 945011881361863
- Wendy Lee, ADMIN/SUPPORT STAFFAlameda, CA 945011780323105
- Marco Rotting, MSW/ASWAlameda, CA 945011033435193
Common questions
What is Rex Edward Moulton-Barrett, M.D.'s NPI number?
Rex Edward Moulton-Barrett, M.D.'s National Provider Identifier (NPI) is 1770648057, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rex Edward Moulton-Barrett, M.D. located?
The NPPES record lists a practice address at 2070 Clinton Ave FL 4, Alameda, CA, 94501. Phone: (510) 864-1800. Providers update this record themselves, so call before visiting.
How can I verify Rex Edward Moulton-Barrett, M.D.'s license?
NPPES lists California license number A45787, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Rex Edward Moulton-Barrett, M.D. prescribe under Medicare Part D?
In 2024, Rex Edward Moulton-Barrett, M.D. had 175 Medicare Part D claims for 41 beneficiaries; the average among specialist prescribers was 1,380. 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.