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MICHELLE MARIE SPECH-HOLDERBAUM MD
NPI 1851407167
Internal Medicine in Willoughby, OH

Active since August 21, 2006PECOS EnrolledAccepts Medicare Assignment
36100 EUCLID AVE, #240, WILLOUGHBY, OH 44094(440) 953-6294(440) 918-4687 Get Directions Write a Review

NPPES record last updated: March 1, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 1, 2021, Feb 2, 2016 (2 updates tracked since 2016).

About Michelle Marie Spech-holderbaum Md NPPES

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

MICHELLE MARIE SPECH-HOLDERBAUM MD (NPI 1851407167) is an individual internal medicine provider in Willoughby, Ohio, licensed in Ohio (35-058884) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Northeastern Ohio University College Of Medicine (1986).

NPPES Registry Identity

NPI1851407167
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMICHELLE MARIE SPECH-HOLDERBAUMCredential: MD
Location Address36100 EUCLID AVE, #240Willoughby, OH 44094
Mailing AddressPo Box 781389Detroit, MI 48278-1389 · (440) 354-1985 · Fax (440) 350-4938
Phone(440) 953-6294
Fax(440) 918-4687
Sole ProprietorNo
Medical School CMSNortheastern Ohio University College Of MedicineGraduated 1986
Enumeration DateAugust 21, 2006
Last NPPES UpdateMarch 1, 20212 updates tracked since enumeration
NPPES CertifiedMarch 1, 2021
✔ NPI 1851407167 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 35-058884
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
36100 EUCLID AVE, Willoughby, OH 44094
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Other Identifiers 1

Medicaid0756945OH

Accepted Insurance

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

Michelle Marie Spech-holderbaum Md 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 ID3577662139
PECOS Enrollment IDI20070621000575
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 Michelle Spech-holderbaum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lake Hospital System Inc
Same address
Internal Medicine
36100 EUCLID AVE, #240
Willoughby, OH 44094
  • Reassigned Medicare billing, Ohio enrollment
  • 285 clinicians in this Medicare group
NPI 1417991332 (440) 918-4679
Dr Miodrag Zivic LLC
12 mi
Internal Medicine
25200 CHAGRIN BLVD STE 300
Beachwood, OH 44122
  • Reassigned Medicare billing, Ohio enrollment
  • 16 clinicians in this Medicare group
NPI 1437557782 (216) 383-2834

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 8

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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
96 services35 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
91 services33 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
91 services37 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
71 services34 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
55 services30 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
37 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44094 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Insertion tray with drainage bag with indwelling catheter, foley type, two-way latex with coating (teflon, silicone, silicone elastomer or hydrophilic, etc.) A4314
DME-Orthotic Devices · category DF000N
1 supplier15 claims15 services$21.18 avg. paid by Medicare
Urinary catheter anchoring device, adhesive skin attachment, each A4333
DME-Orthotic Devices · category DF000N
1 supplier15 claims180 services$2.13 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
1 supplier25 claims25 services$8.62 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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. HARBHAJAN S PARMAR M.D.
Internal Medicine
36100 EUCLID AVE, STE 350
WILLOUGHBY, OH 44094
Lake County (440) 946-8300
DR. LISA A DAVIS M.D.
Plastic Surgery
36100 EUCLID AVE, #490
WILLOUGHBY, OH 44094
Lake County (440) 953-1818
GEORGE ELI DROGOMIR PA-C
Internal Medicine (Rheumatology)
36100 EUCLID AVE, SUITE 170
WILLOUGHBY, OH 44094
Lake County (440) 953-8700
BORIS VINOGRADSKY MD INC
Surgery
36100 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 953-8055
LAKE ENT INC
Otolaryngology
36100 EUCLID AVE, #350
WILLOUGHBY, OH 44094
Lake County (440) 942-9308
DR. MARK E ANGEL M.D.
Internal Medicine (Interventional Cardiology)
36100 EUCLID AVE, #300
WILLOUGHBY, OH 44094
Lake County (440) 942-5400
MRS. JOY JEAN IANIRO NURSE PRACTITIONER
Nurse Practitioner
36100 EUCLID AVE, 120
WILLOUGHBY, OH 44094
Lake County (440) 951-8360
DR. MOHAMED A ATASSI MD
Internal Medicine (Cardiovascular Disease)
36100 EUCLID AVE, SUITE 120
WILLOUGHBY, OH 44094
Lake County (440) 951-8360

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 Michelle Spech-holderbaum's NPI number?

The NPI number for Michelle Spech-holderbaum is 1851407167. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Michelle Spech-holderbaum located?

Michelle Spech-holderbaum practices at 36100 Euclid Ave #240, Willoughby, OH 44094. The listed phone number is (440) 953-6294.

What is Michelle Spech-holderbaum's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michelle Spech-holderbaum enrolled in Medicare?

Yes. Michelle Spech-holderbaum 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 Michelle Spech-holderbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Spech-holderbaum reassigns Medicare benefits to 2 organizations: Lake Hospital System Inc (Willoughby, OH) and Dr Miodrag Zivic LLC (Beachwood, 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 Michelle Spech-holderbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michelle Spech-holderbaum accept?

Health plans from CareSource and MedMutual list Michelle Spech-holderbaum 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 Michelle Spech-holderbaum was last updated on March 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.