ALISON MARIE RALSTON
NPI 1023676764
Emergency Medicine in Grand Blanc, MI

Q: What is Alison Ralston's NPI number?

The NPI number for Alison Ralston is 1023676764. It was assigned to this individual provider in the NPPES registry on May 29, 2019.

Q: What is Alison Ralston'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 Alison Ralston was last updated on September 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 29, 2019PECOS Enrolled

1 GENESYS PKWY, GRAND BLANC, MI 48439(810) 606-6372 Get Directions Write a Review

NPPES record last updated: September 27, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 27, 2019, May 29, 2019 (2 updates tracked since 2019).

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About Alison Marie Ralston NPPES

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

ALISON MARIE RALSTON (NPI 1023676764) is an individual emergency medicine provider in Grand Blanc, Michigan, licensed in Michigan (4351045108) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023676764

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameALISON MARIE RALSTON

Location Address1 GENESYS PKWYGrand Blanc, MI 48439-8065

Mailing Address1 Genesys PkwyGrand Blanc, MI 48439-8065 · (810) 606-6372

Phone(810) 606-6372

Sole ProprietorNo

Enumeration DateMay 29, 2019

Last NPPES UpdateSeptember 27, 20192 updates tracked since enumeration

✔ NPI 1023676764 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 · 4351045108

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)

Alison Marie Ralston 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 Alison Ralston reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine Physicians Of Genesee County, PLLC

Same address

Emergency Medicine

1 GENESYS PKWY
Grand Blanc, MI 48439

Reassigned Medicare billing, Michigan enrollment
41 clinicians in this Medicare group

NPI 1275899171 (330) 493-4443

Observation Medicine Group PLLC

Same address

Emergency Medicine

1 GENESYS PKWY
Grand Blanc, MI 48439

Reassigned Medicare billing, Michigan enrollment
43 clinicians in this Medicare group

NPI 1194084111 (330) 493-4443

Mclaren Medical Group

7.9 mi

Internal Medicine

1459 S CENTER RD
Burton, MI 48509

Reassigned Medicare billing, Michigan enrollment
416 clinicians in this Medicare group

NPI 1659418663 (810) 496-0900

Mclaren Hospital Group

9.8 mi

Emergency Medicine

401 S BALLENGER HWY
Flint, MI 48532

Reassigned Medicare billing, Michigan enrollment
444 clinicians in this Medicare group

NPI 1942026174 (810) 342-3450

Degara App, PLLC

48 mi

Emergency Medicine

401 W GREENLAWN AVE
Lansing, MI 48910

Reassigned Medicare billing, Michigan enrollment
295 clinicians in this Medicare group

NPI 1265976971 (517) 975-6000

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.

385 services360 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.

143 services129 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.

104 services99 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.

19 services18 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