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DR. NICHOLAS E MAY DO
NPI 1134619364
Emergency Medicine in Casa Grande, AZ

Active since May 14, 2018PECOS EnrolledAccepts Medicare Assignment
1800 E FLORENCE BLVD, CASA GRANDE, AZ 85122(520) 381-6300 Get Directions Write a Review

NPPES record last updated: June 6, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 6, 2022, May 14, 2018 (2 updates tracked since 2018).

About Dr. Nicholas E May Do NPPES

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

DR. NICHOLAS E MAY DO (NPI 1134619364) is an individual emergency medicine provider in Casa Grande, Arizona, licensed in Arizona (009589) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fayetteville, and is a graduate of Campbell Univ School Of Osteopathic Medicine (2018).

NPPES Registry Identity

NPI1134619364
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. NICHOLAS E MAYCredential: DO
Location Address1800 E FLORENCE BLVDCasa Grande, AZ 85122-5303
Mailing Address1126 E Thunderhill PlPhoenix, AZ 85048-4603 · (602) 339-7372
Phone(520) 381-6300
Sole ProprietorYes
Medical School CMSCampbell Univ School Of Osteopathic MedicineGraduated 2018
Enumeration DateMay 14, 2018
Last NPPES UpdateJune 6, 20222 updates tracked since enumeration
NPPES CertifiedJune 6, 2022
✔ NPI 1134619364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in AZ · 009589
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1800 E FLORENCE BLVD, Casa Grande, AZ 85122
Open in Google Maps ↗

Secondary Practice Location 1

Location 11638 Owen Dr # 138Fayetteville, NC 28304-3424 · Phone (910) 615-5095

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, Inc..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

Dr. Nicholas E May Do 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 ID6507115102
PECOS Enrollment IDI20220711000381
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

4

Medicare enrollment records show Nicholas May reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gila River Regional Behavioral Health Authority
13 mi
Community/Behavioral Health
483 W. SEED FARM ROAD
Sacaton, AZ 85247
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Gila River Health Care Corporation
  • 482 clinicians in this Medicare group
NPI 1497880439 (602) 528-7135
Emergency Physicians Southwest, PC
37 mi
Emergency Medicine
6644 E BAYWOOD AVE
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • 289 clinicians in this Medicare group
NPI 1912053752 (480) 321-2000
Community Hospital Association, Inc.
78 mi
Rural Health
32919 N CENTER ST STE B
Wittmann, AZ 85361
  • Reassigned Medicare billing, Arizona enrollment
  • Also billed through NPI 1841282852 (Arizona)
  • 36 clinicians in this Medicare group
NPI 1770097123 (928) 668-1833
Innova Emergency Medical Associates PC
505 mi
Emergency Medicine
410 BENEDICTA AVE
Trinidad, CO 81082
  • Reassigned Medicare billing, Arizona enrollment
  • 71 clinicians in this Medicare group
NPI 1295178978 (719) 846-9213

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
256 services244 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
108 services104 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
16 services16 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85122 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
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 20

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

DR. RUSTOM ARAIA PHARMD
Pharmacist
1800 E FLORENCE BLVD
CASA GRANDE, AZ 85122
Pinal County (520) 381-6400
SARAH M PRZYBYLA PA
Physician Assistant
1800 E FLORENCE BLVD, CASA GRANDE REGIONAL MEDICAL CENTER
CASA GRANDE, AZ 85122
Pinal County (520) 381-6368
DR. KONSTANTIN MAZURSKY D.O
Hospitalist
1800 E FLORENCE BLVD, ATTN: HOSPITALIST TEAM
CASA GRANDE, AZ 85122
Pinal County (480) 543-2034
PRANAV PILLAI MD
Hospitalist
1800 E FLORENCE BLVD, ATTN: BMG HOSPITALISTS/AMANDA GUMP
CASA GRANDE, AZ 85122
Pinal County (480) 543-2034
DR. ZACHARY EDWARDS DO
Emergency Medicine
1800 E FLORENCE BLVD
CASA GRANDE, AZ 85122
Pinal County (419) 251-4724
DR. JUSTIN JOSEPH PATTEE D.O.
Emergency Medicine
1800 E FLORENCE BLVD
CASA GRANDE, AZ 85122
Pinal County (801) 735-6896
DANIEL MYUNGHUN CHOI MD
Emergency Medicine
1800 E FLORENCE BLVD
CASA GRANDE, AZ 85122
Pinal County (520) 381-6300
KRISTIN MARIE GERDES CRNA
Nurse Anesthetist, Certified Registered
1800 E FLORENCE BLVD
CASA GRANDE, AZ 85122
Pinal County (520) 381-6150

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 Nicholas May's NPI number?

The NPI number for Nicholas May is 1134619364. It was assigned to this individual provider in the NPPES registry on May 14, 2018.

Where is Nicholas May located?

Nicholas May practices at 1800 E Florence Blvd, Casa Grande, AZ 85122. The listed phone number is (520) 381-6300.

What is Nicholas May's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nicholas May enrolled in Medicare?

Yes. Nicholas May 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 Nicholas May's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas May reassigns Medicare benefits to 4 organizations: Gila River Regional Behavioral Health Authority (Sacaton, AZ), Emergency Physicians Southwest, PC (Mesa, AZ), Community Hospital Association, Inc. (Wittmann, AZ) and Innova Emergency Medical Associates PC (Trinidad, CO). 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 Nicholas May's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas May accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Imperial Insurance Companies, Inc. list Nicholas May 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 Nicholas May was last updated on June 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.