Isaac J. Klostermann, PA-C
- Medicare patients, 2024
- 191
- Part D claims, 2024
- 3,766
- Hospital affiliations
- 1
- Industry payments
- $115
- Medical groups
- 2
- Practice address
- 800 S 3rd St, Montrose, CO 81401
- Practice phone
- Call (970) 249-2211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Isaac Klostermann'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.
Isaac J. Klostermann is a physician assistant in Montrose, Colorado
Isaac Klostermann practices at Montrose Regional Health in Montrose, Colorado, part of Montrose Regional Health.
Isaac Klostermann's NPI, 1386996080, was assigned on October 5, 2012. Isaac Klostermann graduated from University of Colorado School of Medicine, Denver in 2012. Isaac Klostermann holds Colorado license PA.0003531.
- NPI
- 1386996080NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012162183
- NPI enumeration date
- October 5, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (970) 249-2211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Isaac J. Klostermann practices at Montrose Regional Health in Montrose, Colorado
Isaac Klostermann's primary practice is Montrose Regional Health, at 800 S 3rd St, Montrose, CO 81401 in Montrose County. The practice phone is (970) 249-2211.
- Montrose Regional Health800 S 3rd St, Montrose, CO 81401 · Montrose CountyPhone(970) 249-2211
Source: Dmand AI Affiliation Data
Isaac J. Klostermann is affiliated with 3 sites of care and 2 medical groups
Isaac Klostermann's primary practice is Montrose Regional Health in Montrose, Colorado, part of Montrose Regional Health. The medical group on file is Peak Family Medicine. Dmand AI also links Isaac Klostermann to 1 more community health center, 1 hospital outpatient department and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Isaac J. Klostermann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Isaac Klostermann practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Montrose Regional Health | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Montrose Regional Health and 6.2K+ hospitals, with verified contacts in the same login.
Isaac J. Klostermann is one of 3,013 physician assistants in Colorado
Physician assistant is Isaac Klostermann's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Isaac Klostermann is licensed in Colorado.
Specialties and state licenses
- Physician assistant, ColoradoPrimary
Physician assistants near Isaac Klostermann
Counts of physician assistants 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
Isaac J. Klostermann treated 191 Medicare patients in 2024, average age 72
CMS counts 191 Medicare patients who saw Isaac Klostermann in 2024. The largest group is 65 to 74, with 105 patients. 62% of them have high blood pressure, and 53% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Isaac Klostermann's median patient age at 62, with 48% women.
Isaac Klostermann's Medicare patients by age, 2024
Isaac Klostermann's Medicare patients by sex, 2024
- Women8645%
- Men10555%
Chronic conditions among Isaac Klostermann's Medicare patients, 2024
- High blood pressure62%
- High cholesterol53%
- Arthritis40%
- Mood disorders20%
- Diabetes19%
- Anxiety18%
- Atrial fibrillation18%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Isaac Klostermann'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
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Isaac J. Klostermann wrote 3,766 Medicare Part D claims in 2024
In 2024, Isaac Klostermann wrote 3,766 Medicare Part D claims for 295 patients. 82% of them were for generic drugs.
Isaac Klostermann's Part D claims by kind of drug, 2024
- Generic3,104 claims82%
- Brand-name593 claims16%
- Other69 claims2%
Drug classes CMS tracks in Isaac Klostermann's Part D claims, 2024
- Opioids4%141 of 3,766 claims
- Antibiotics3%126 of 3,766 claims
- Antipsychotics, patients 65 and over1%28 of 3,766 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Isaac J. Klostermann offers telehealth to Medicare patients
Isaac Klostermann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Isaac Klostermann as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Isaac J. Klostermann received $115 in industry payments in 2025
CMS Open Payments shows 6 general payments to Isaac Klostermann from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $62.
Companies that paid Isaac Klostermann the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Isaac J. Klostermann graduated from University of Colorado School of Medicine, Denver
Isaac Klostermann graduated from University of Colorado School of Medicine, Denver in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Isaac J. Klostermann's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Isaac J. Klostermann
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Isaac J. Klostermann's NPI number?
Isaac J. Klostermann's NPI number is 1386996080. It was assigned on October 5, 2012, and it is active in the NPI Registry.
What does Isaac J. Klostermann specialize in?
Isaac J. Klostermann is a physician assistant in Montrose, Colorado. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Isaac J. Klostermann practice?
Isaac Klostermann practices at 800 S 3rd St, Montrose, CO 81401. Isaac Klostermann's primary practice is Montrose Regional Health in Montrose, Colorado, part of Montrose Regional Health. Dmand AI also links Isaac Klostermann to 1 community health center, 1 hospital outpatient department and 1 medical group.
What is Isaac J. Klostermann's office phone number?
The practice phone on file for Isaac Klostermann is (970) 249-2211.
What is Isaac J. Klostermann's medical license number?
Isaac Klostermann holds Colorado license PA.0003531.
Which hospitals is Isaac J. Klostermann affiliated with?
Isaac Klostermann practices at Montrose Regional Health in Montrose, Colorado.
What medical group is Isaac J. Klostermann part of?
Isaac Klostermann is linked to Peak Family Medicine. Dmand AI links Isaac Klostermann to 1 more medical group.
Does Isaac J. Klostermann accept Medicare?
Yes. CMS lists Isaac Klostermann as accepting Medicare assignment.
Does Isaac J. Klostermann offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Isaac Klostermann as offering telehealth services.
How many Medicare patients does Isaac J. Klostermann see?
CMS counts 191 Medicare patients who saw Isaac Klostermann in 2024, with an average age of 72.
Show 3 more questionsShow fewer questions
Where did Isaac J. Klostermann go to medical school?
Isaac Klostermann graduated from University of Colorado School of Medicine, Denver in 2012.
Has Isaac J. Klostermann received payments from drug or device companies?
CMS Open Payments shows $115 in general payments to Isaac Klostermann from 4 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Isaac J. Klostermann been practicing?
Isaac Klostermann graduated from medical school in 2012, 14 years ago.
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