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Physician Profile

Arleen Guerrero-Nieva, M.D.

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At a glance

About Dr. Guerrero-Nieva

Based in Long Beach, CA, Arleen Guerrero-Nieva, M.D. is listed in the NPI registry under internal medicine. According to Medicare claims data, Arleen cared for 206 Medicare patients across 346 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, insertion of needle into vein for collection of blood sample, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. NPI 1023024346 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

School Other Graduated: 1983

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 68932CurrentExpires Feb 2027Since 1999
CA licenceAs reported to the NPI registry
No. A068932As reported
NPINational Provider Identifier
1023024346Issued 2006

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Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Arleen Guerrero-Nieva specialize in?

Arleen Guerrero-Nieva is an internist in Long Beach, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Arleen Guerrero-Nieva located?

Arleen Guerrero-Nieva is listed at 330 W Willow St, Long Beach, CA 90806. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Arleen Guerrero-Nieva's phone number?

The number on file is (562) 595-9835. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Arleen Guerrero-Nieva's NPI number?

Arleen Guerrero-Nieva's National Provider Identifier is 1023024346. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Arleen Guerrero-Nieva train?

Arleen Guerrero-Nieva attended Other, graduating in 1983. This comes from the CMS National Downloadable File.

CMS public data

How long has Arleen Guerrero-Nieva been practicing?

Arleen Guerrero-Nieva has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.

CMS public data

What does Arleen Guerrero-Nieva do most often?

According to Medicare billing data, Arleen Guerrero-Nieva performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Arleen Guerrero-Nieva confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Arleen Guerrero-Nieva. If this is you, claiming it is free.

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