ISAAC J KLOSTERMANN (PA-C) – Physician Assistant, NPI 1386996080
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,161 PHYSICIAN ASSISTANT in CO
Provider Addresses for ISAAC J KLOSTERMANN (PA-C)
1250 Valley View Dr
Delta, CO 814163138
Phone: (970) 874-8981
Fax: (855) 299-7586
Type: Location
308 Main Street
Olathe, CO 81425
Phone: (970) 323-6141
Fax: (855) 299-8071
Type: Location
1550 E. Niagara Road
Montrose, CO 814015027
Phone: (970) 497-4921
Fax: (855) 855-4482
Type: Location
1550 E. NIAGARA ROAD
MONTROSE, CO 814015027
Phone: (970) 497-4921
Fax: (855) 855-4482
Type: Mailing
PO BOX 529
OLATHE, CO 814250529
Phone: (970) 323-6141
Fax: (855) 299-8071
Type: Mailing
1010 S RIO GRANDE AVE
MONTROSE, CO 814014831
Phone: (970) 497-3333
Fax: (855) 299-7837
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 44 Open Payments records for all available years, with a total value of $825.
Total Amount is formed as General ($825) + Research ($0) + Ownership ($0) = $825.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($271).
Total Amount
$825
General + Research + Ownership
Payments
44
Total payment records
General Amount
$825
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $271 |
| AstraZeneca Pharmaceuticals LP | $120 |
| PFIZER INC. | $117 |
| Astellas Pharma US Inc | $90 |
| Lilly USA, LLC | $33 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2013-02-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20130222000139 | I | Physician Assistant | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 308 | 119 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 100 | 68 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 89 | 65 | $0 |
| 83036 | Hemoglobin a1c level | 78 | 37 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 53 | 53 | $0 |
Insurance plans in this area (ZIP 81416)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Psychologist | AL | |
| Clinical Social Worker | CO | |
| - | CO | |
| - | CO | |
| Physician Assistant | CO | |
| Physician Assistant | CO | |
| Nurse Practitioner | CO | |
| Family Practice | CO | |
| Family Practice | AZ | |
| Physician Assistant | CO |
Reviews
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