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ROBERT J. ZIMMERMAN M.D.
NPI 1023093960
Emergency Medicine in Chardon, OH

Active since December 14, 2005PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
13207 RAVENNA RD, CHARDON, OH 44024(440) 285-6000(330) 656-5901 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Robert J. Zimmerman M.d. NPPES

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

ROBERT J. ZIMMERMAN M.D. (NPI 1023093960) is an individual emergency medicine provider in Chardon, Ohio, licensed in Ohio (35073086Z) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Uh Regional Hospitals, and is a graduate of University Of Texas Medical School At San Antonio (1996).

NPPES Registry Identity

NPI1023093960
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameROBERT J. ZIMMERMANCredential: M.D.
Location Address13207 RAVENNA RDChardon, OH 44024-7032
Mailing Address5700 Darrow Rd, Suite 106Hudson, OH 44236-5021 · (330) 656-9304 · Fax (330) 656-5901
Phone(440) 285-6000
Fax(330) 656-5901
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1996
Enumeration DateDecember 14, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1023093960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OH · 35073086Z
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.
13207 RAVENNA RD, Chardon, OH 44024
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Other Identifiers 1

Medicaid2371786OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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

Robert J. Zimmerman 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 ID2264410349
PECOS Enrollment IDI20040713001657
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

8

Medicare enrollment records show Robert Zimmerman reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ues Geauga, LLC
Same address
Emergency Medicine
13207 RAVENNA RD
Chardon, OH 44024
  • Reassigned Medicare billing, Ohio enrollment
  • 138 clinicians in this Medicare group
NPI 1841242997 (844) 474-4019
University Hospitals Ahuja Medical Center, Inc
16 mi
General Acute Care Hospital
3999 RICHMOND RD
Beachwood, OH 44122
  • Reassigned Medicare billing, Ohio enrollment
  • 140 clinicians in this Medicare group
NPI 1609189604 (216) 593-5500
Ues Ahuja LLC
17 mi
Emergency Medicine
3999 RICHMOND RD
Beachwood, OH 44122
  • Reassigned Medicare billing, Ohio enrollment
  • 187 clinicians in this Medicare group
NPI 1467883934 (844) 474-4019
University Hospitals Cleveland Medical Center
22 mi
Nurse Practitioner
11100 EUCLID AVE
Cleveland, OH 44106
  • Reassigned Medicare billing, Ohio enrollment
  • 227 clinicians in this Medicare group
NPI 1043747454 (216) 844-8447
Ues Geneva LLC
25 mi
Emergency Medicine
870 W MAIN ST
Geneva, OH 44041
  • Reassigned Medicare billing, Ohio enrollment
  • 42 clinicians in this Medicare group
NPI 1689919029 (844) 474-4019
Magis Emergency Medicine LLC
30 mi
Emergency Medicine
7007 POWERS BLVD
Parma, OH 44129
  • Reassigned Medicare billing, Ohio enrollment
  • 237 clinicians in this Medicare group
NPI 1801287511 (844) 474-4019
University Emergency Specialists LLC
43 mi
Emergency Medicine
158 WEST MAIN ROAD
Conneaut, OH 44030
  • Reassigned Medicare billing, Ohio enrollment
  • 31 clinicians in this Medicare group
NPI 1033454483 (844) 474-4019
Physicians Link Center LLC
48 mi
Emergency Medicine
630 E RIVER ST
Elyria, OH 44035
  • Reassigned Medicare billing, Ohio enrollment
  • 251 clinicians in this Medicare group
NPI 1235172925 (844) 474-4019

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 5

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.
319 services296 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.
235 services194 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.
76 services72 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.
72 services70 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Uh Regional Hospitals

Acute Care Hospitals · Chardon, OH
3/5 CMS rating
OwnershipProprietary
CMS Certification Number360075
Location13207 Ravenna RoadChardon, OH 44024 · Geauga County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44024 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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. HALEY HOWARD PHARMD
Pharmacist
13207 RAVENNA RD
CHARDON, OH 44024
Geauga County (440) 285-6000
LAVANYA GALI MD
Student in an Organized Health Care Education/Training Program
13207 RAVENNA RD
CHARDON, OH 44024
Geauga County (440) 285-6000
SHIVAM BHAVESH BHATT DO
Family Medicine
13207 RAVENNA RD
CHARDON, OH 44024
Geauga County (440) 585-6553
DR. MARTIN MACKLIN M.D.
Psychiatry & Neurology (Addiction Psychiatry)
13207 RAVENNA RD
CHARDON, OH 44024
Geauga County (440) 269-6595
MAETINEE LOPARO NP-C
Nurse Practitioner
13207 RAVENNA RD
CHARDON, OH 44024
Geauga County (330) 656-9304
SAMUEL BOGGESS
Student in an Organized Health Care Education/Training Program
13207 RAVENNA RD
CHARDON, OH 44024
Geauga County (877) 356-0756
AHMAD HOURY MD
Student in an Organized Health Care Education/Training Program
13207 RAVENNA RD
CHARDON, OH 44024
Geauga County (216) 262-8718
ANNAMARIE SALVADOR CNP
Nurse Practitioner
13207 RAVENNA RD
CHARDON, OH 44024
Geauga County (440) 285-6000

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 Robert Zimmerman's NPI number?

The NPI number for Robert Zimmerman is 1023093960. It was assigned to this individual provider in the NPPES registry on December 14, 2005.

Where is Robert Zimmerman located?

Robert Zimmerman practices at 13207 Ravenna Rd, Chardon, OH 44024. The listed phone number is (440) 285-6000.

What is Robert Zimmerman's specialty?

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

Is Robert Zimmerman enrolled in Medicare?

Yes. Robert Zimmerman 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 Robert Zimmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Zimmerman reassigns Medicare benefits to 8 organizations: Ues Geauga, LLC (Chardon, OH), University Hospitals Ahuja Medical Center, Inc (Beachwood, OH), Ues Ahuja LLC (Beachwood, OH), University Hospitals Cleveland Medical Center (Cleveland, OH), Ues Geneva LLC (Geneva, OH) and 3 more organizations, listed in the Medicare section above. 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 Robert Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Zimmerman accept?

Health plans from CareSource list Robert Zimmerman 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.

Is Robert Zimmerman affiliated with any hospitals?

According to CMS data, Robert Zimmerman is affiliated with Uh Regional Hospitals.

When was this NPI record last updated?

The NPPES record for Robert Zimmerman was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.