MONICA GUZMAN ZAYAS M.D.
NPI 1104182617
Anesthesiology in Tucson, AZ

Q: What is Monica Guzman Zayas's NPI number?

The NPI number for Monica Guzman Zayas is 1104182617. It was assigned to this individual provider in the NPPES registry on April 9, 2012.

Q: What is Monica Guzman Zayas's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Active since April 09, 2012PECOS EnrolledAccepts Medicare Assignment

2810 N SWAN RD, STE 100, TUCSON, AZ 85712(520) 324-2030(520) 445-6019 Get Directions Write a Review

NPPES record last updated: May 25, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Monica Guzman Zayas M.d. NPPES

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

MONICA GUZMAN ZAYAS M.D. (NPI 1104182617) is an individual anesthesiology provider in Tucson, Arizona, licensed in Arizona (51988) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and is a graduate of Ponce School Of Medicine (2012).

NPPES Registry Identity

NPI1104182617

Entity TypeIndividualFemale

Primary Taxonomy207L00000X

Provider Legal NameMONICA GUZMAN ZAYASCredential: M.D.

Location Address2810 N SWAN RD, STE 100Tucson, AZ 85712-6305

Mailing Address2810 N Swan Rd, Ste 100Tucson, AZ 85712-6305 · (520) 324-2030 · Fax (520) 445-6019

Phone(520) 324-2030

Fax(520) 445-6019

Sole ProprietorNo

Medical School CMSPonce School Of MedicineGraduated 2012

Enumeration DateApril 9, 2012

Last NPPES UpdateMay 25, 2016

✔ NPI 1104182617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in AZ · 51988

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2810 N SWAN RD, Tucson, AZ 85712

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Monica Guzman Zayas M.d. 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 ID5395036263

PECOS Enrollment IDI20160623001277

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.

Medicare Billing Reassignments

Medicare enrollment records show Monica Guzman Zayas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ias Arizona PLLC

0.9 mi

Anesthesiology

5301 E GRANT RD
Tucson, AZ 85712

Reassigned Medicare billing, Arizona enrollment
264 clinicians in this Medicare group

NPI 1689359747 (520) 327-5461

Desert Sunrise Anesthesia PLLC

1.1 mi

Anesthesiology

2121 N CRAYCROFT RD BLDG 8
Tucson, AZ 85712

Reassigned Medicare billing, Arizona enrollment
18 clinicians in this Medicare group

NPI 1619562006 (520) 230-7156

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

135 services117 patients

Anesthesia for procedure on eyelid 00103

Anesthesia for an eyelid procedure helps ensure comfort and painlessness during the operation. It's typically a local anesthetic, applied to numb your eyelid and surrounding area. You'll likely be awake but won't feel any discomfort. It's a safe, routine part of many eye procedures.

32 services32 patients

Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415

This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.

28 services28 patients

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810

Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.

24 services23 patients

Anesthesia for open or endoscopic total shoulder joint replacement 01638

Anesthesia for total shoulder joint replacement, either open or endoscopic, involves using medications to block pain during surgery. It can be general (you're asleep) or regional (only the area being operated on is numbed). This ensures comfort and stillness, facilitating a successful procedure.

12 services12 patients

Anesthesia for other procedure on forearm, wrist, or hand bones 01830

Anesthesia for procedures on forearm, wrist, or hand bones involves administering medications to block sensation in the specific area. It ensures you don't feel pain during the procedure. It can be local (numbing a small area) or regional (numbing a larger part of the body).

12 services12 patients

Other Providers at the Same Location NPPES 20

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

JAMES EDWARD SLATTERY MD

Anesthesiology

2810 N SWAN RD, SUITE 100
TUCSON, AZ 85712

Pima County (520) 324-2030

JENNIFER BLUME MD

Anesthesiology

2810 N SWAN RD
TUCSON, AZ 85712

Pima County (520) 324-2030

DONALD FRENCH DMD,PC

Clinic/Center (Dental)

2810 N SWAN RD, SUITE 140
TUCSON, AZ 85712

Pima County (520) 881-2966

PAUL HEN-LIN TSONG MD

Anesthesiology

2810 N SWAN RD, SUITE 100
TUCSON, AZ 85712

Pima County (520) 445-6003

DONALD FRENCH DMD, PC

Dentist (Pediatric Dentistry)

2810 N SWAN RD, SUITE 140
TUCSON, AZ 85712

Pima County (520) 881-2966

DR. HANNAH MCLEAN DILLON M.D.

Anesthesiology

2810 N SWAN RD, STE 100
TUCSON, AZ 85712

Pima County (520) 324-2030

OLD PUEBLO ANESTHESIA

Anesthesiology

2810 N SWAN RD, SUITE 100
TUCSON, AZ 85712

Pima County (520) 324-2030

DONALD G SANSOM DO

Anesthesiology

2810 N SWAN RD, SUITE 100
TUCSON, AZ 85712

Pima County (520) 324-2030

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 Monica Guzman Zayas's NPI number?

The NPI number for Monica Guzman Zayas is 1104182617. It was assigned to this individual provider in the NPPES registry on April 9, 2012.

Where is Monica Guzman Zayas located?

Monica Guzman Zayas practices at 2810 N Swan Rd Ste 100, Tucson, AZ 85712. The listed phone number is (520) 324-2030.

What is Monica Guzman Zayas's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Monica Guzman Zayas enrolled in Medicare?

Yes. Monica Guzman Zayas 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.

Which organizations bill Medicare for Monica Guzman Zayas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Monica Guzman Zayas reassigns Medicare benefits to 2 organizations: Ias Arizona PLLC (Tucson, AZ) and Desert Sunrise Anesthesia PLLC (Tucson, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Monica Guzman Zayas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Monica Guzman Zayas accept?

Health plans from Blue Cross Blue Shield of Arizona list Monica Guzman Zayas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Monica Guzman Zayas was last updated on May 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.