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MARK OWEN FARMER MD
NPI 1144282468
Anesthesiology in Willoughby, OH

Active since April 03, 2006PECOS Enrolled
76.48/100
CMS Quality Rating
36000 EUCLID AVE, WILLOUGHBY, OH 44094(440) 350-0832(440) 579-0191 Get Directions Write a Review

NPPES record last updated: March 31, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 31, 2020, Feb 27, 2020, Oct 17, 2019 (3 updates tracked since 2019).

About Mark Owen Farmer Md NPPES

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

MARK OWEN FARMER MD (NPI 1144282468) is an individual anesthesiology provider in Willoughby, Ohio, licensed in Ohio (35066510) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Painesville.

NPPES Registry Identity

NPI1144282468
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMARK OWEN FARMERCredential: MD
Location Address36000 EUCLID AVEWilloughby, OH 44094-4625
Mailing Address7757 Auburn Rd Ste 15Painesville, OH 44077-9604 · (440) 350-0832 · Fax (440) 354-7420
Phone(440) 350-0832
Fax(440) 579-0191
Sole ProprietorNo
Enumeration DateApril 3, 2006
Last NPPES UpdateMarch 31, 20203 updates tracked since enumeration
NPPES CertifiedMarch 31, 2020
✔ NPI 1144282468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in OH · 35066510
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
36000 EUCLID AVE, Willoughby, OH 44094
Open in Google Maps ↗

Secondary Practice Location 1

Location 17757 Auburn Rd Ste 15Painesville, OH 44077-9604 · Phone (440) 350-0832 · Fax (440) 354-7420

Other Identifiers 2

Medicaid0131128OH
Other376111OH · Anthem Bcbs

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Owen Farmer Md 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

2

Medicare enrollment records show Mark Farmer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Primary Care Practices Inc
4.0 mi
Occupational Medicine
28080 CHARDON RD STE 204
Wickliffe, OH 44092
  • Reassigned Medicare billing, Ohio enrollment
  • 1,437 clinicians in this Medicare group
NPI 1528195492 (440) 944-2863
Ohio Anesthesia Group, Inc
56 mi
Anesthesiology
1320 MERCY DR NW
Canton, OH 44708
  • Reassigned Medicare billing, Ohio enrollment
  • 554 clinicians in this Medicare group
NPI 1639348113 (330) 656-5215

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

76.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.33
Improvement Activities40

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.

JAMES ARTHUR LIGGETT JR. DO
Emergency Medicine
36000 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 953-9600
DR. JOYCE ARLENE WEST MD
Pathology (Anatomic Pathology & Clinical Pathology)
36000 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 354-4208
MRS. BONNIE LYNN BROIDA PA
Physician Assistant
36000 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 953-6240
MRS. KIM HEARN-VANCE LISW-S
Social Worker (Clinical)
36000 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 251-9027
GEORGE LIVINGSTON PA
Physician Assistant
36000 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 953-6203
OHIO EM-I MEDICAL SERVICES, PROFESSIONAL ASSOCIATION
Physician Assistant
36000 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 953-9600
MOLLY L HEARN LSW
Social Worker (Clinical)
36000 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 354-8934
DORNICE IVANNA FRIDAY MSW, LW
Social Worker (Clinical)
36000 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 953-9600

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 Mark Farmer's NPI number?

The NPI number for Mark Farmer is 1144282468. It was assigned to this individual provider in the NPPES registry on April 3, 2006.

Where is Mark Farmer located?

Mark Farmer practices at 36000 Euclid Ave, Willoughby, OH 44094. The listed phone number is (440) 350-0832.

What is Mark Farmer's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Mark Farmer enrolled in Medicare?

Yes. Mark Farmer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Farmer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Farmer reassigns Medicare benefits to 2 organizations: University Primary Care Practices Inc (Wickliffe, OH) and Ohio Anesthesia Group, Inc (Canton, OH). 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 Mark Farmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Farmer accept?

Health plans from CareSource and Paramount list Mark Farmer 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 Mark Farmer was last updated on March 31, 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.