DR. NICHOLAS J STILES DO
NPI 1437770286
Emergency Medicine in Grand Blanc, MI

Q: What is Nicholas Stiles's NPI number?

The NPI number for Nicholas Stiles is 1437770286. It was assigned to this individual provider in the NPPES registry on May 4, 2020.

Q: What is Nicholas Stiles's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nicholas Stiles was last updated on May 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since May 04, 2020PECOS Enrolled

1 GENESYS PKWY, GRAND BLANC, MI 48439(810) 606-5000 Get Directions Write a Review

NPPES record last updated: May 4, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Nicholas J Stiles Do NPPES

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

DR. NICHOLAS J STILES DO (NPI 1437770286) is an individual emergency medicine provider in Grand Blanc, Michigan, licensed in Michigan (5151014213) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437770286

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. NICHOLAS J STILESCredential: DO

Location Address1 GENESYS PKWYGrand Blanc, MI 48439-8065

Mailing Address15500 Silver Pkwy Apt 305Fenton, MI 48430-3476 · (517) 575-7065

Phone(810) 606-5000

Sole ProprietorNo

Enumeration DateMay 4, 2020

NPPES CertifiedMay 4, 2020

✔ NPI 1437770286 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in MI · 5151014213

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.

1 GENESYS PKWY, Grand Blanc, MI 48439

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nicholas J Stiles Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Nicholas Stiles reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ahn Emergency Group Of Canonsburg Ltd.

255 mi

Emergency Medicine

100 MEDICAL BLVD
Canonsburg, PA 15317

Reassigned Medicare billing, Pennsylvania enrollment
89 clinicians in this Medicare group

NPI 1790100154 (330) 493-4443

Ahn Observation Group LLC

261 mi

Emergency Medicine

565 COAL VALLEY RD
Jefferson Hills, PA 15025

Reassigned Medicare billing, Pennsylvania enrollment
153 clinicians in this Medicare group

NPI 1437814696 (844) 474-4019

Ahn Emergency Group Of Forbes Ltd.

263 mi

Emergency Medicine

2570 HAYMAKER RD
Monroeville, PA 15146

Reassigned Medicare billing, Pennsylvania enrollment
87 clinicians in this Medicare group

NPI 1235554692 (330) 493-4443

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.

77 services77 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.

29 services28 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

14 services14 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.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48439 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

$84.74 typical visit price

range $54.34 – $166.68

Typical copayment $21.18 (range $13.58 – $41.67)

Most-billed visit code 99203

Established Patient

$96.44 typical visit price

range $17.09 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

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.

ILONA CROWDER COTA/L

Occupational Therapy Assistant