Arleen Guerrero-Nieva, M.D.
Internal Medicine Physician · Long Beach, CA
Arleen Guerrero-Nieva, M.D. is an internal medicine physician with a practice address in Long Beach, California, and NPI 1023024346, issued on Jul 31, 2006. Check the license (California A068932, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arleen Guerrero-Nieva
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A068932 CA
Self-reported in NPPES; status is on the state search - Practice location
- 330 W Willow St, Long Beach, CA 90806
- Phone
- (562) 595-9835
- Enumerated
- Jul 31, 2006
- Record last updated
- Oct 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (562) 424-8715
- Medicaid ID
- 00A689320 CA
- Medicare enrollment
- Enrolled (PECOS I20121009000272); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Arleen Guerrero-Nieva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A068932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,408 Medicare Part D claims for 401 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 45 claims were for opioids.
Most prescribed
- Amlodipine Besylate435 claims
- Losartan Potassium389 claims
- Atorvastatin Calcium360 claims
- Rosuvastatin Calcium255 claims
- Tamsulosin Hcl192 claims
- Metformin Hcl184 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: $255.23
10 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Arleen Guerrero-Nieva among 17,696 internal medicine physician records in California
Arleen Guerrero-Nieva, 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
- Graduated1983 · median 2004 among the 11,065 with a school on file
- Record last updated2014 · 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).
221 internal medicine physician records list a practice address in Long Beach
They are 221 of the 13,650 NPPES records with a practice address in Long Beach, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Long Beach → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Adams, D.O.Long Beach, CA 908061801852900
- Mark Asbill, M.D.Long Beach, CA 908061558310896
- Alla Gartsman, M.D.Long Beach, CA 908061457317133
- Sabrina Harper, MDLong Beach, CA 908061023081924
- Richard Im, MDLong Beach, CA 908061972586840
- Tina Kitajima, M.D.Long Beach, CA 908061033164892
- Angela Lamotte, M.D.Long Beach, CA 908061538166764
- Raymond Lee, M.D.Long Beach, CA 908061295790277
Common questions
What is Arleen Guerrero-Nieva, M.D.'s NPI number?
Arleen Guerrero-Nieva, M.D.'s National Provider Identifier (NPI) is 1023024346, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arleen Guerrero-Nieva, M.D. located?
The NPPES record lists a practice address at 330 W Willow St, Long Beach, CA, 90806. Phone: (562) 595-9835. Providers update this record themselves, so call before visiting.
How can I verify Arleen Guerrero-Nieva, M.D.'s license?
NPPES lists California license number A068932, 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 Arleen Guerrero-Nieva, M.D. prescribe under Medicare Part D?
In 2024, Arleen Guerrero-Nieva, M.D. had 7,408 Medicare Part D claims for 401 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.