DR. CARLOS M DIAZ MD
NPI 1881160687
Psychiatry & Neurology - Psychiatry in Mobile, AL

Q: What is Carlos Diaz's NPI number?

The NPI number for Carlos Diaz is 1881160687. It was assigned to this individual provider in the NPPES registry on October 18, 2018.

Q: What is Carlos Diaz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: Is Carlos Diaz enrolled in Medicare?

No. Carlos Diaz has opted out of Medicare through March 30, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Carlos Diaz was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 18, 2018Opted out of Medicare · through Mar 30, 2028

6336 PICCADILLY SQUARE DR, MOBILE, AL 36609(251) 999-5433(251) 255-8474 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 6, 2026, Aug 2, 2024, Oct 26, 2023 and 3 more (6 updates tracked since 2018).

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About Dr. Carlos M Diaz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CARLOS M DIAZ MD (NPI 1881160687) is an individual psychiatry provider in Mobile, Alabama, licensed in Alabama (MD.43350) and active in the NPI registry since October 2018. He has opted out of Medicare through March 30, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1881160687

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. CARLOS M DIAZCredential: MD

Location Address6336 PICCADILLY SQUARE DRMobile, AL 36609-5143

Mailing Address6336 Piccadilly Square DrMobile, AL 36609-5143 · (251) 999-5433 · Fax (251) 255-8474

Phone(251) 999-5433

Fax(251) 255-8474

Sole ProprietorNo

Enumeration DateOctober 18, 2018

Last NPPES UpdateJanuary 6, 20266 updates tracked since enumeration

NPPES CertifiedJanuary 6, 2026

✔ NPI 1881160687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in AL · MD.43350

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License MD.43350 (AL)

6336 PICCADILLY SQUARE DR, Mobile, AL 36609

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Carlos M Diaz Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 30, 2026 through March 30, 2028.

Opt-Out Effective DateMarch 30, 2026

Opt-Out In Effect ThroughMarch 30, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

299 services233 patients

Psychotherapy with evaluation and management visit, 30 minutes 90833

Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.

135 services120 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

42 services33 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

16 services16 patients

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348

An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$161.63 typical visit price

range $52.65 – $161.63

Typical copayment $40.40 (range $13.16 – $40.40)

Most-billed visit code 99205

Established Patient

$66.08 typical visit price

range $16.56 – $131.65

Typical copayment $16.52 (range $4.14 – $32.91)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEREDITH MILLER TESSIER LPC

Counselor (Mental Health)