JOSHUA GRUENBAUM – Emergency Medicine Physician, NPI 1295296648

JOSHUA GRUENBAUM is a healthcare provider. based in Sandusky, Ohio. specializing in INTERNAL MEDICINE, EMERGENCY MEDICINE. They hold a License No. 34.015160 (OH). The NPI Number for JOSHUA GRUENBAUM is 1295296648

Main info

Male
7 Years Of Experience
Accepts Medicare Assignment
Name
JOSHUA GRUENBAUM
NPI
1295296648
Phone
(419) 557-7419
Address
1111 Hayes Ave
Enumeration Date
28 March 2019
Last Update Date
12 December 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6148984000
Graduation Year
2019 (7 years ago)
PAC ID
8426383977
Group Practice PAC ID
8426326554
Professional Enrollment ID
I20211216002890
Address ID
OH430818971WE500XXAVEX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:7State licenses:2Digital endpointsOther names

7,199 INTERNAL MEDICINE in OH

Provider Addresses for JOSHUA GRUENBAUM

  • 1111 Hayes Ave

    Sandusky, OH 448703323

    Phone: (419) 557-7419

    Fax: (419) 557-6979

    Type: Location

  • Mercy Saint Vincent Medical Center, 2213, Cherry Street, Birckhead Place, Toledo, Lucas County, Ohio, 43608, United States

    TOLEDO, OH 436082603

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $19.

Total Amount is formed as General ($19) + Research ($0) + Ownership ($0) = $19.

Last reported payment date: 2024-06-25 • Largest payer in this snapshot: PFIZER INC. ($19).

Total Amount

$19

General + Research + Ownership

Payments

1

Total payment records

General Amount

$19

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-06-25

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
PFIZER INC.$19
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-12-17

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20211216002890IInternal MedicineOHTBD
I20241217001184IEmergency MedicineINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making182177$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only8276$0
99284Emergency department visit with moderate level of medical decision making7777$0
99291Critical care, first 30-74 minutes2121$0
99283Emergency department visit with low level of medical decision making1212$0
View full utilization report →

Insurance plans in this area (ZIP 44870)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8426326554View full group profile
NameSpecialtyState
Nurse PractitionerOH
-IN
Nurse PractitionerOH
Emergency Medicine, General PracticeWV
Emergency MedicineOH
Emergency MedicineMI
Emergency MedicineOH
Emergency MedicineKY
-NY
Emergency MedicineOH

Reviews

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Frequently asked questions

Can I verify JOSHUA GRUENBAUM with an NPI only?
You can start verification with NPI 1295296648 for JOSHUA GRUENBAUM, then check state licensing separately.
Is JOSHUA GRUENBAUM listed as active for patients and plans?
The listing shows JOSHUA GRUENBAUM as active in the NPI system.
What is JOSHUA GRUENBAUM's primary classification?
Emergency Medicine Physician is the headline specialty for JOSHUA GRUENBAUM here. Clinical services aligned with this taxonomy classification.
Where should I expect JOSHUA GRUENBAUM on a map?
Expect Sandusky, Ohio as a primary anchor for JOSHUA GRUENBAUM unless the record lists multiple sites.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.