DR. MICHAEL ALLEN CASTILLO MD
NPI 1619991643
Anesthesiology - Pain Medicine in Glendale, AZ

Active since July 26, 2006PECOS EnrolledAccepts Medicare Assignment
75.96/100
CMS Quality Rating
5310 W THUNDERBIRD RD STE 215, GLENDALE, AZ 85306(602) 242-9891(602) 242-9895 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 20, 2022, Apr 20, 2020, Mar 17, 2018 (3 updates tracked since 2018).

About Dr. Michael Allen Castillo Md NPPES

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

DR. MICHAEL ALLEN CASTILLO MD (NPI 1619991643) is an individual pain medicine provider in Glendale, Arizona, licensed in Arizona (27636) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of New Mexico School Of Medicine (1995).

NPPES Registry Identity

NPI1619991643
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameDR. MICHAEL ALLEN CASTILLOCredential: MD
Location Address5310 W THUNDERBIRD RD STE 215Glendale, AZ 85306-4712
Mailing Address5310 W Thunderbird Rd Ste 215Glendale, AZ 85306-4712 · (602) 242-9891 · Fax (602) 242-9895
Fax(602) 242-9895
Sole ProprietorYes
Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 1995
Enumeration DateJuly 26, 2006
Last NPPES UpdateFebruary 12, 20263 updates tracked since enumeration
NPPES CertifiedJuly 20, 2022
NPI 1619991643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License Licensed in AZ · 27636
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
Also ListedPain Medicine · Pain MedicineTaxonomy 208VP0000X · License 27636 (AZ)
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License 27636 (AZ)
Also ListedHome InfusionTaxonomy 251F00000X
5310 W THUNDERBIRD RD STE 215, Glendale, AZ 85306

Other Identifiers 1

Medicaid517419AZ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael Allen Castillo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597674242
PECOS Enrollment IDI20051005000396
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 30

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.

Injection, hydromorphone, up to 4 mg J1170
Hydromorphone injection is a pain relief medication administered through an injection, up to 4 mg. It works by altering the body's response to pain, providing comfort and relief. It's important to follow your healthcare provider's instructions for use.
1,626 services20 patients
Injection, morphine sulfate, preservative-free for epidural or intrathecal use, 10 mg J2274
This is an injection of 10 mg morphine sulfate, a strong pain reliever. It's preservative-free and used for epidural or intrathecal administration. This method delivers medication into the spinal region to manage severe pain effectively.
1,029 services39 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
627 services123 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
603 services148 patients
Injection, midazolam hydrochloride, per 1 mg J2250
Midazolam hydrochloride is a medication injected to help you relax or sleep before surgery or certain medical procedures. It works by calming the brain and nerves. It's given in small doses, measured in milligrams (mg).
456 services64 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
294 services131 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75.96/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality56.29
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report
30%66 patients2/55-star benchmark: 87%
Colorectal Cancer Screening
4%421 patients1/55-star benchmark: 88%
Controlling High Blood Pressure
39%36 patients2/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
97%2,765 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
18%650 patients1/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
17%2,548 patients2/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 49% · 454 patients
Patients screened: 56% · 454 patients
21%38 patients1/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
91%425 patients4/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
69%35 patients3/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 1% · 396 patients
Patients totalRate: 3% · 396 patients
2%396 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

Pain Medicine (Pain Medicine)
5310 W THUNDERBIRD RD STE 215
GLENDALE, AZ 85306

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Castillo's NPI number?

The NPI number for Michael Castillo is 1619991643. It was assigned to this individual provider in the NPPES registry on July 26, 2006.

Where is Michael Castillo located?

Michael Castillo practices at 5310 W Thunderbird Rd Ste 215, Glendale, AZ 85306. The listed phone number is (602) 242-9891.

What is Michael Castillo's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Michael Castillo enrolled in Medicare?

Yes. Michael Castillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Michael Castillo was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.