Dr. Robert Kloos, DO

  • Marshall, MI
  • General surgeon
NPI1912950197PAC ID9436111564
Medicare services, 2022
27
Medicare patients, 2026
11
Part D claims, 2018
25
Hospital affiliations
2
Industry payments
$530
Practice address
200 N Madison, Marshall, MI 49068
Practice phone
Call (269) 781-4271
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Oaklawn Hospital

Hospital · Marshall, Michigan

See all 10 affiliations

Find Dr. Kloos' 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. Robert Kloos is a general surgeon in Marshall, Michigan

Dr. Kloos practices at Oaklawn Hospital in Marshall, Michigan, part of Oaklawn Hospital.

Dr. Kloos' NPI, 1912950197, was assigned on May 18, 2006. Dr. Kloos graduated from Heritage College of Osteopathic Medicine in 1991. Dr. Kloos holds Ohio license 34005553.

NPI and contact details
Medicare PAC ID
9436111564
NPI enumeration date
May 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(269) 781-4271
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
61
Medical school graduation
1991

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

Dr. Robert Kloos practices at Oaklawn Hospital in Marshall, Michigan

Dr. Kloos' primary practice is Oaklawn Hospital, at 200 N Madison, Marshall, MI 49068 in Calhoun County. The practice phone is (269) 781-4271.

  • Oaklawn Hospital
    200 N Madison, Marshall, MI 49068 · Calhoun CountyPhone(269) 781-4271

Source: Dmand AI Affiliation Data

Dr. Robert Kloos is affiliated with 2 sites of care and 8 medical groups

Dr. Kloos' primary practice is Oaklawn Hospital in Marshall, Michigan, part of Oaklawn Hospital. Dr. Kloos is also affiliated with OhioHealth Berger Hospital. The medical group on file is Oaklawn Hospital. Dmand AI also links Dr. Kloos to 7 more medical groups, each named with a free account. Dr. Kloos' employer is on file too: a hospital.

See all 10 affiliations for Dr. Kloos

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

Dmand AI tracks the EHR system at Dr. Robert Kloos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kloos practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Oaklawn HospitalAvailable with a free account
+1 more site and 7 medical groupsAvailable 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. Kloos practices

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

Dr. Robert Kloos is one of 1,095 general surgeons in Michigan

Surgery is Dr. Kloos' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Kloos is board certified in general surgery by the American Board of Osteopathic Surgery. Dr. Kloos is licensed in Ohio.

Specialties and state licenses

  • Surgery, OhioPrimaryLicense 34005553 · taxonomy 208600000X

Clinical focus

Dmand AI lists abdominal hernia repair surgery, appendectomy, colonoscopy, groin hernia surgery and upper GI endoscopy among the conditions Dr. Kloos treats.

General surgeons near Dr. Kloos

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. Robert Kloos billed Medicare for 27 services in 2022

CMS data shows 27 Medicare services from Dr. Kloos across 1 procedure code in 2022, for 11 Medicare patients. Medicare paid $824 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202227
Medicare patients11
Paid by Medicare$824
Procedure codes1

Dr. Kloos' Medicare services by type, 2020 to 2022

  • 2020
  • 2022
Office and hospital visits
2020: 352022: 2723%

Dr. Kloos compared with the Michigan median for general surgeons, 2022

  • Dr. Kloos
  • Michigan median
Medicare services
27vs 12679% below
Medicare patients
11vs 10790% below
Part D claims
25vs 3017% below

Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.

Dr. Kloos' most billed Medicare procedure codes, 2022

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. Kloos

Need commercial claims for Dr. Kloos?

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

Book a meeting

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

Dr. Robert Kloos treated 11 Medicare patients in 2026, average age 73

CMS counts 11 Medicare patients who saw Dr. Kloos in 2026. Their average risk score is 1.42, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kloos' median patient age at 73, with 48% women.

Medicare patients, 202611
Average age73
Average risk score1.42

Dr. Kloos' patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women48%
  • Men52%

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

Dr. Robert Kloos wrote 25 Medicare Part D claims in 2018

In 2018, Dr. Kloos wrote 25 Medicare Part D claims. They cover 1 drug, with $154 in total drug cost. In 2017, CMS named 46 claims across 2 drugs.

Part D claims, 201825
Drugs named by CMS1
Total drug cost$154

Dr. Kloos' most prescribed drugs by claims, 2018

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

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 462018: 2546%

Drugs named by CMS: 1 in 2018, 2 in 2017.

See all prescribing by Dr. Kloos

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

How Dr. Robert Kloos takes part in Medicare

Dr. Kloos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find general surgeons like Dr. Kloos 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. Robert Kloos received $530 in industry payments from 2016 to 2024

CMS Open Payments shows 6 general payments to Dr. Kloos from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $122.

General payments to Dr. Kloos by program year, 2016 to 2024

Companies that paid Dr. Kloos the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Kloos

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

Dr. Robert Kloos has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Kloos, most recently CMS Stage 1 EHR in 2012.

Awards and honors for Dr. Kloos

  1. 2012
    • CMS Stage 1 EHR
  2. 2007
    • FACOS
  3. Undated
    • Champion Surgeon Designation

Source: Dmand AI Professional Profile Data

Dr. Robert Kloos graduated from Heritage College of Osteopathic Medicine

Dr. Kloos graduated from Heritage College of Osteopathic Medicine in 1991. Dr. Kloos is a member of ACOS, AOA and OOA.

  1. Medical schoolHeritage College of Osteopathic Medicine
  2. Board certified in general surgeryAmerican Board of Osteopathic Surgery
  3. Board certified in peripheral vascular surgeryAmerican Board of Osteopathic Surgery
  4. Board certified in 1994 - 2026MI State License
  5. Board certified in 2021 - 2027MT State License
  6. Board certified in 1992 - 2026OH State License
  7. Board certified in 2021 - 2026VT State License
  8. Board certified in 2021 - 2025WI State License

Source: Dmand AI Professional Profile Data

Dr. Robert Kloos accepts plans from 15 insurance carriers

Dr. Kloos is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Kloos accepts, by number of carriers

  1. Medicare10
  2. PPO9
  3. HMO6
  4. Medicaid4
  5. POS3
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert Kloos'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Robert Kloos

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. Robert Kloos' NPI number?

Dr. Robert Kloos' NPI number is 1912950197. It was assigned on May 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert Kloos?

Dr. Robert Kloos is a general surgeon in Marshall, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Robert Kloos practice?

Dr. Kloos practices at 200 N Madison, Marshall, MI 49068. Dr. Kloos' primary practice is Oaklawn Hospital in Marshall, Michigan, part of Oaklawn Hospital. Dmand AI also links Dr. Kloos to 7 medical groups, and a free account names each one.

What is Dr. Robert Kloos' office phone number?

The practice phone on file for Dr. Kloos is (269) 781-4271. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Robert Kloos' email address?

Dmand AI checks professional and personal email addresses for Dr. Kloos through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Robert Kloos' medical license number?

Dr. Kloos holds Ohio license 34005553.

Which hospitals is Dr. Robert Kloos affiliated with?

Dr. Kloos practices at Oaklawn Hospital in Marshall, Michigan. Dr. Kloos is also affiliated with OhioHealth Berger Hospital.

What medical group is Dr. Robert Kloos part of?

Dr. Kloos is linked to Oaklawn Hospital. Dmand AI links Dr. Kloos to 7 more medical groups, named with a free account.

Who employs Dr. Robert Kloos?

Dmand AI has Dr. Kloos' employer on file: a hospital. The organization's name is available with a free Dmand AI account.

Who does Dr. Robert Kloos practice with?

Dmand AI links 134 HCPs to Dr. Kloos' primary medical group, 4 of them general surgeons. A free account lists them, with verified contacts.

Show 10 more questionsShow fewer questions

Does Dr. Robert Kloos accept Medicare?

Yes. CMS data shows Dr. Kloos billed Medicare for 27 services in 2022, and Dr. Kloos accepts Medicare assignment.

How many Medicare patients does Dr. Robert Kloos see?

CMS counts 11 Medicare patients who saw Dr. Kloos in 2026, with an average age of 73.

Is Dr. Robert Kloos board certified?

Yes. Dr. Kloos is board certified in general surgery by the American Board of Osteopathic Surgery.

What services does Dr. Robert Kloos bill to Medicare?

In 2022, Dr. Kloos' most billed Medicare services were hospital inpatient care (99231).

Where did Dr. Robert Kloos go to medical school?

Dr. Kloos graduated from Heritage College of Osteopathic Medicine in 1991.

What drugs does Dr. Robert Kloos prescribe most?

In 2018 Medicare Part D data, Dr. Kloos' most prescribed drugs by claims were Oxycodone-Acetaminophen.

Has Dr. Robert Kloos received payments from drug or device companies?

CMS Open Payments shows $530 in general payments to Dr. Kloos from 6 companies from 2016 to 2024. The largest total came from Alexion Pharmaceuticals, Inc.

How long has Dr. Robert Kloos been practicing?

Dr. Kloos graduated from medical school in 1991, 35 years ago.

What EHR does Dr. Robert Kloos' practice use?

Dmand AI tracks the EHR system at Oaklawn Hospital and at 1 more site and 7 medical groups. The vendor and product are available with a free Dmand AI account.

What insurance does Dr. Robert Kloos accept?

Dr. Kloos is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit. The full carrier list is available with a free Dmand AI account.

Selling to surgery practices?

See general surgeons in Michigan 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)