Dr. Michael John Bielefeld, MD

  • Bowling Green, OH
  • General surgeon
NPI1295728079PAC ID4981673498
Medicare services, 2024
461
Medicare patients, 2024
292
Part D claims, 2024
116
Hospital affiliations
1
Industry payments
$6,820
Practice address
950 West Wooster Street, Bowling Green, OH 43402
Practice phone
Call (419) 354-8900
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Wood County Hospital

Hospital · Bowling Green, Ohio

See all 4 affiliations

Find Dr. Bielefeld's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Michael John Bielefeld is a general surgeon in Bowling Green, Ohio

Dr. Bielefeld practices at Wood County Hospital in Bowling Green, Ohio, part of Wood County Hospital.

Dr. Bielefeld's NPI, 1295728079, was assigned on August 26, 2005. Dr. Bielefeld graduated from Northeastern Ohio University College of Medicine in 1989. Dr. Bielefeld holds Ohio license 35-06-6329B.

NPI and contact details
Medicare PAC ID
4981673498
NPI enumeration date
August 26, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(419) 354-8900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael John Bielefeld practices at Wood County Hospital in Bowling Green, Ohio

Dr. Bielefeld's primary practice is Wood County Hospital, at 950 West Wooster Street, Bowling Green, OH 43402 in Wood County. The practice phone is (419) 354-8900.

  • Wood County Hospital
    950 West Wooster Street, Bowling Green, OH 43402 · Wood CountyPhone(419) 354-8900

Source: Dmand AI Affiliation Data

Dr. Michael John Bielefeld is affiliated with 3 sites of care and 1 medical group

Dr. Bielefeld's primary practice is Wood County Hospital in Bowling Green, Ohio, part of Wood County Hospital. The medical group on file is Wood Health Company. Dmand AI also links Dr. Bielefeld to 1 more physician office and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Dr. Bielefeld

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael John Bielefeld's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bielefeld practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Wood County HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Bielefeld practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Wood County Hospital and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Michael John Bielefeld is one of 1,056 general surgeons in Ohio

Surgery is Dr. Bielefeld's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Bielefeld is licensed in Ohio.

Specialties and state licenses

  • Surgery, OhioPrimaryLicense 35-06-6329B · taxonomy 208600000X

General surgeons near Dr. Bielefeld

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michael John Bielefeld billed Medicare for 461 services in 2024

CMS data shows 461 Medicare services from Dr. Bielefeld across 11 procedure codes in 2024, for 292 Medicare patients. Medicare paid $42,377 for them.

Medicare services, 2024461
Medicare patients292
Paid by Medicare$42,377
Procedure codes11

Dr. Bielefeld's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3462024: 28418%
Surgery
2023: 1252024: 1232%
Other services
2023: 512024: 546%

Where Dr. Bielefeld's Medicare services took place, 2024

  • In an office23852%
  • In a facility22348%

Dr. Bielefeld compared with the Ohio median for general surgeons, 2024

  • Dr. Bielefeld
  • Ohio median
Medicare services
461vs 1682.7 times
Medicare patients
292vs 1272.3 times
Part D claims
76vs 4665% above

Medians across 1,031 general surgeons in Ohio with Dmand AI profiles that report each measure.

Dr. Bielefeld's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Bielefeld

Need commercial claims for Dr. Bielefeld?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bielefeld and other general surgeons in Ohio.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael John Bielefeld treated 292 Medicare patients in 2024, average age 73

CMS counts 292 Medicare patients who saw Dr. Bielefeld in 2024. The largest group is 65 to 74, with 164 patients. 73% of them have high blood pressure, and 67% have high cholesterol. 8% are also on Medicaid. Their average risk score is 0.85, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Bielefeld's median patient age at 62, with 47% women.

Medicare patients, 2024292
Average age73
Average risk score0.85
Also on Medicaid8%

Dr. Bielefeld's Medicare patients by age, 2024

Dr. Bielefeld's Medicare patients by sex, 2024

  • Women12442%
  • Men16858%

Chronic conditions among Dr. Bielefeld's Medicare patients, 2024

  1. High blood pressure73%
  2. High cholesterol67%
  3. Arthritis44%
  4. Ischemic heart disease26%
  5. Anxiety25%
  6. Diabetes25%
  7. Cancer18%
  8. Chronic kidney disease17%

Share of Medicare patients with each condition. A patient can have several.

Dr. Bielefeld's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women47%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael John Bielefeld wrote 116 Medicare Part D claims in 2024

In 2024, Dr. Bielefeld wrote 116 Medicare Part D claims for 81 patients. 91% of them were for generic drugs. CMS names the drug for 76 of them, across 2 drugs with 11 or more claims each, at $507 in total drug cost. In 2023, CMS named 67 claims across 2 drugs.

Part D claims, 2024116
Drugs named by CMS2
Total drug cost$507
Part D patients81

Dr. Bielefeld's Part D claims by kind of drug, 2024

  • Generic106 claims91%
  • Brand-name and other10 claims9%

Dr. Bielefeld's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Bielefeld's Part D claims, 2024

  • Opioids43%50 of 116 claims
  • Antibiotics10%12 of 116 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 672024: 7613%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Dr. Bielefeld

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Michael John Bielefeld ranks in the 83rd percentile for colonoscopy in Medicare

Dr. Bielefeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 114 procedures of colonoscopy by Dr. Bielefeld, more than 83% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Bielefeld ranks in Medicare procedure volume

Colonoscopy
83rd percentile114 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
59th percentile37 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find general surgeons like Dr. Bielefeld by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Michael John Bielefeld received $6,820 in industry payments from 2016 to 2025

CMS Open Payments shows 41 general payments to Dr. Bielefeld from 14 drug and device companies from 2016 to 2025. Education make up the largest share, 88% of the total. Intuitive Surgical, Inc. paid the most, $6,531.

General payments to Dr. Bielefeld by program year, 2016 to 2025

General payments to Dr. Bielefeld by kind, 2016 to 2025

$6.8Kin total
  • Education$6,00088%
  • Food and beverage$5168%
  • Travel and lodging$3044%

Companies that paid Dr. Bielefeld the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Bielefeld

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael John Bielefeld graduated from Northeastern Ohio University College of Medicine

Dr. Bielefeld graduated from Northeastern Ohio University College of Medicine in 1989.

  1. Medical schoolNortheastern Ohio University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael John Bielefeld's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael John Bielefeld

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Michael John Bielefeld's NPI number?

Dr. Michael John Bielefeld's NPI number is 1295728079. It was assigned on August 26, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael John Bielefeld?

Dr. Michael John Bielefeld is a general surgeon in Bowling Green, Ohio. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Michael John Bielefeld practice?

Dr. Bielefeld practices at 950 West Wooster Street, Bowling Green, OH 43402. Dr. Bielefeld's primary practice is Wood County Hospital in Bowling Green, Ohio, part of Wood County Hospital. Dmand AI also links Dr. Bielefeld to 1 physician office and 1 group practice or clinic.

What is Dr. Michael John Bielefeld's office phone number?

The practice phone on file for Dr. Bielefeld is (419) 354-8900.

What is Dr. Michael John Bielefeld's medical license number?

Dr. Bielefeld holds Ohio license 35-06-6329B.

Which hospitals is Dr. Michael John Bielefeld affiliated with?

Dr. Bielefeld practices at Wood County Hospital in Bowling Green, Ohio.

What medical group is Dr. Michael John Bielefeld part of?

Dr. Bielefeld is linked to Wood Health Company.

Does Dr. Michael John Bielefeld accept Medicare?

Yes. CMS data shows Dr. Bielefeld billed Medicare for 461 services in 2024, and Dr. Bielefeld accepts Medicare assignment.

How many Medicare patients does Dr. Michael John Bielefeld see?

CMS counts 292 Medicare patients who saw Dr. Bielefeld in 2024, with an average age of 73.

What services does Dr. Michael John Bielefeld bill to Medicare?

In 2024, Dr. Bielefeld's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and hospital inpatient care (99232).

Show 4 more questionsShow fewer questions

Where did Dr. Michael John Bielefeld go to medical school?

Dr. Bielefeld graduated from Northeastern Ohio University College of Medicine in 1989.

What drugs does Dr. Michael John Bielefeld prescribe most?

In 2024 Medicare Part D data, Dr. Bielefeld's most prescribed drugs by claims were Oxycodone-Acetaminophen and Omeprazole.

Has Dr. Michael John Bielefeld received payments from drug or device companies?

CMS Open Payments shows $6,820 in general payments to Dr. Bielefeld from 14 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Michael John Bielefeld been practicing?

Dr. Bielefeld graduated from medical school in 1989, 37 years ago.

Selling to surgery practices?

See general surgeons in Ohio by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)