Isaac Klostermann, PA-C
NPI 1386996080 · Physician Assistant · Montrose, CO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Klostermann, PA-C is a Physician Assistant provider in Montrose, CO (NPI 1386996080).
Provider details
- NPI number
- 1386996080
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA.0003531 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
938 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 298 | $82 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 195 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 104 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 84 | $71 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 60 | $29 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 179 | 51 |
| Lisinopril | 159 | 44 |
| Atorvastatin Calcium | 152 | 44 |
| Fluticasone Propionate | 93 | 35 |
| Losartan Potassium | 89 | 26 |
| Metformin Hcl | 87 | 24 |
| Gabapentin | 86 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$475 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 1250 Valley View DrDelta, CO 81416-3138Phone: (970) 874-8981Fax: (855) 299-7586
- 1550 E. Niagara RoadMontrose, CO 81401-5027Phone: (970) 497-4921Fax: (855) 855-4482
- 308 Main StreetOlathe, CO 81425Phone: (970) 323-6141Fax: (855) 299-8071
Registry dates
- Enumerated
- 2012-10-05
- Last updated
- 2026-04-20
- Certified
- 2026-04-20
Frequently asked questions
- What is Isaac Klostermann's NPI number?
- Isaac Klostermann's National Provider Identifier (NPI) is 1386996080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Klostermann's specialty?
- Isaac Klostermann is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Isaac Klostermann located?
- Isaac Klostermann's practice location on file with NPPES is 1010 S Rio Grande Ave, Montrose, CO 81401-4831.
- What is Isaac Klostermann's phone number?
- The practice phone number listed in the NPPES registry for Isaac Klostermann is (970) 497-3333.
- Does Isaac Klostermann accept Medicare?
- Isaac Klostermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Klostermann's NPI active?
- Yes — Isaac Klostermann's NPI (1386996080) is active in the NPPES registry as of the last update on 2026-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.