Active NPI 1386996080 Individual Practitioner Male Practitioner

Isaac J Klostermann , PA-C

Physician Assistant • Montrose, CO

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Isaac Klostermann, PA-C is a certified Physician Assistant practicing in Montrose, CO. With approximately 14 years of clinical experience since graduating from University Of Colorado School Of Medicine, Denver in 2012, Isaac Klostermann delivers high-quality medical care to the local community at 1010 S RIO GRANDE AVE.

Isaac Klostermann maintains professional affiliations with Peak Family Medicine Llc, Olathe Community Clinic Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, 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's, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1010 S Rio Grande Ave

Montrose, CO 814014831

Telephone 9704973333

Fax 8552997837

Associated Practice Facility / Clinic

🏢 Olathe Community Clinic Inc. Facility NPI 1245600493

Medicare Profile & Education

Medical School

University Of Colorado School Of Medicine, Denver

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Montrose, CO

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

14 Yrs +3.5 yrs vs City Avg

City Avg: 10.5 Yrs

State Avg: 13.1 Yrs

Regional Practice Density

22 Specialists

Practicing in Montrose, CO (3810 Statewide)

Telehealth Adoption Rate

40.9% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

69.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Klostermann (14 Years) 14 Yrs

Montrose Specialty Average (10.5 Years) 10.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	298	139	$273.00	$81.81
G2211 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's	195	109	$33.65	$12.97
36415 Insertion of needle into vein for collection of blood sample	104	73	$20.00	$8.65
99213 Established patient office or other outpatient visit, typically 15 minutes	84	64	$194.00	$70.98
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	60	60	$279.00	$28.97
83036 Hemoglobin A1C level	57	32	$28.00	$9.52
80061 Blood test, lipids (cholesterol and triglycerides)	41	34	$39.00	$13.12
G0008 Administration of influenza virus vaccine	31	28	$54.00	$32.58
93000 Routine ekg using at least 12 leads including interpretation and report	29	26	$31.00	$12.25
90662 Influenza vaccine split virus, preservative free	28	27	$75.00	$73.28
81003 Automated urinalysis test	22	19	$20.00	$2.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	14	$384.00	$95.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	308	119	$273.00	$88.54
99213 Established patient office or other outpatient visit, typically 15 minutes	100	68	$194.00	$66.57
36415 Insertion of needle into vein for collection of blood sample	89	65	$20.00	$8.40
83036 Hemoglobin A1C level	78	37	$28.00	$9.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	53	53	$279.00	$43.23
80061 Blood test, lipids (cholesterol and triglycerides)	51	46	$39.00	$13.12
G0008 Administration of influenza virus vaccine	38	33	$54.00	$31.04
81003 Automated urinalysis test	36	29	$20.00	$2.20
96127 Assessment of emotional or behavioral problems	26	14	$11.00	$4.83
93000 Routine ekg using at least 12 leads including interpretation and report	25	24	$31.00	$12.45
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	14	14	$75.00	$73.50
90662 Influenza vaccine split virus, preservative free	11	11	$75.00	$71.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	313	130	$250.65	$85.08
36415 Insertion of needle into vein for collection of blood sample	101	78	$17.15	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	76	54	$169.63	$69.48
83036 Hemoglobin A1C level	69	37	$28.00	$9.60
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	54	54	$266.87	$29.09
G0008 Administration of influenza virus vaccine	33	33	$54.00	$30.31
80061 Blood test, lipids (cholesterol and triglycerides)	33	33	$39.00	$13.21
81003 Automated urinalysis test	29	22	$8.41	$2.22
93000 Routine ekg using at least 12 leads including interpretation and report	21	19	$33.29	$12.39
96127 Assessment of emotional or behavioral problems	18	12	$11.39	$4.95
90662 Influenza vaccine split virus, preservative free	17	17	$67.06	$61.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	14	$333.53	$80.30
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	17	11	$40.47	$12.49
71046 X-ray of chest, 2 views	15	15	$73.00	$29.95
G0009 Administration of pneumococcal vaccine	14	14	$53.71	$30.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	384	156	$227.00	$112.97
36415 Insertion of needle into vein for collection of blood sample	124	88	$11.00	$3.00
99213 Established patient office or other outpatient visit, typically 15 minutes	108	72	$153.00	$79.29
83036 Hemoglobin A1C level	74	38	$28.00	$9.71
80061 Blood test, lipids (cholesterol and triglycerides)	64	57	$39.00	$13.39
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	56	14	$21.00	$1.29
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	44	44	$246.00	$115.23
G0008 Administration of influenza virus vaccine	37	35	$54.00	$17.51
0011A Adm sarscov2 100mcg/0.5ml1st	32	32	$35.00	$27.90
96127 Assessment of emotional or behavioral problems	29	17	$12.00	$5.02
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	26	21	$107.75	$51.31
81003 Automated urinalysis test	25	23	$6.00	$2.25
90662 Influenza vaccine split virus, preservative free	23	22	$30.00	$30.00
0013A Adm sarscov2 100mcg/0.5ml3rd	20	20	$80.12	$41.18
0012A Adm sarscov2 100mcg/0.5ml2nd	19	18	$60.00	$40.54
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	17	15	$54.00	$12.42
93000 Routine ekg using at least 12 leads including interpretation and report	15	12	$37.00	$12.95
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$306.00	$157.46
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	13	12	$40.00	$29.83
99453 Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment	12	12	$42.00	$17.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	307	131	$227.00	$94.20
36415 Insertion of needle into vein for collection of blood sample	109	79	$11.00	$2.98
99213 Established patient office or other outpatient visit, typically 15 minutes	107	64	$153.00	$65.45
83036 Hemoglobin A1C level	62	41	$28.00	$9.65
81003 Automated urinalysis test	37	27	$6.86	$2.24
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	32	32	$246.00	$100.61
80061 Blood test, lipids (cholesterol and triglycerides)	30	28	$39.00	$13.33
93000 Routine ekg using at least 12 leads including interpretation and report	20	18	$37.00	$14.89
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	18	11	$54.00	$12.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$348.00	$143.13
G0008 Administration of influenza virus vaccine	16	16	$54.00	$17.14
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	15	15	$40.00	$29.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	335	120	$224.85	$93.46
36415 Insertion of needle into vein for collection of blood sample	119	73	$10.71	$2.92
99213 Established patient office or other outpatient visit, typically 15 minutes	90	59	$152.00	$63.43
83036 Hemoglobin A1C level	51	28	$27.63	$10.57
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	44	25	$53.55	$13.91
81003 Automated urinalysis test	36	25	$7.78	$2.44
93000 Routine ekg using at least 12 leads including interpretation and report	28	27	$36.07	$14.74
80061 Blood test, lipids (cholesterol and triglycerides)	25	25	$38.52	$14.58
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	22	22	$243.45	$99.50
G0008 Administration of influenza virus vaccine	17	17	$53.88	$16.80
G0009 Administration of pneumococcal vaccine	12	12	$53.33	$16.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	363	135	$220.00	$91.89
36415 Insertion of needle into vein for collection of blood sample	183	99	$10.00	$2.92
99213 Established patient office or other outpatient visit, typically 15 minutes	127	85	$148.00	$62.89
83036 Hemoglobin A1C level	58	30	$27.00	$11.75
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	52	12	$20.00	$1.83
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	44	44	$238.00	$100.31
G0008 Administration of influenza virus vaccine	43	42	$52.00	$20.73
81003 Automated urinalysis test	39	29	$7.00	$2.64
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	38	28	$52.00	$17.00
90662 Influenza vaccine split virus, preservative free	22	22	$28.58	$28.01
93000 Routine ekg using at least 12 leads including interpretation and report	20	19	$35.00	$14.66
80061 Blood test, lipids (cholesterol and triglycerides)	20	19	$37.00	$16.20
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	18	18	$38.00	$23.57
80305 Testing for presence of drug, read by direct observation	13	11	$35.00	$13.19
G0009 Administration of pneumococcal vaccine	13	13	$52.00	$20.73
90670 Pneumococcal vaccine for injection into muscle	11	11	$250.00	$198.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	235	136	$148.00	$62.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	216	109	$220.00	$91.95
36415 Insertion of needle into vein for collection of blood sample	116	87	$10.00	$2.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$337.00	$140.45
85610 Blood test, clotting time	44	13	$10.74	$5.28
G0008 Administration of influenza virus vaccine	43	42	$52.00	$25.63
83036 Hemoglobin A1C level	39	28	$27.00	$13.05
G0442 Annual alcohol misuse screening, 5 to 15 minutes	38	38	$37.00	$15.42
G0444 Annual depression screening, 5 to 15 minutes	36	36	$37.00	$15.42
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	31	31	$238.00	$99.01
Q2038 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluzone)	31	31	$28.58	$11.80
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$222.00	$90.31
80061 Blood test, lipids (cholesterol and triglycerides)	29	29	$37.00	$18.00
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	26	24	$186.00	$78.06
81000 Manual urinalysis test with examination using microscope, non-automated	21	19	$9.00	$4.26
93000 Routine ekg using at least 12 leads including interpretation and report	19	19	$35.00	$14.62
G0009 Administration of pneumococcal vaccine	19	19	$52.00	$25.63
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	18	15	$52.00	$21.91
90670 Pneumococcal vaccine for injection into muscle	17	17	$219.41	$187.45
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	14	14	$276.00	$116.18

Medical Specialties & State Licenses

CMS Verified: 2026-04-20

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CO PA.0003531

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

63020254 (CO)

Commercial Insurance / Payer ID Medicare B Ptan For Peak Family Medicine

497750ZPR5 (CO)

Commercial Insurance / Payer ID Railroad Workers Medicare For Peak Family Medicine

P01653177 (CO)

Hospital & Practice Group Affiliations

Peak Family Medicine Llc

1550 E Niagara Rd, Montrose, CO 814015027

Phone: 9704974921

Olathe Community Clinic Inc

308 Main St, Olathe, CO 814255066

Phone: 9703236141

Secondary Practice Locations

1250 Valley View Dr

Delta, CO 814163138

Phone: 9708748981

308 Main Street

Olathe, CO 81425

Phone: 9703236141

1550 E. Niagara Road

Montrose, CO 814015027

Phone: 9704974921

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

18 Associated Practitioners

Briana Muzic , CNP

Nurse Practitioner - Family

NPI 1003332214

Certified Nurse Practitioner

Kitty Reed-Macdonald , LCSW, LAC

Social Worker - Clinical

NPI 1033368816

Licensed Clinical Social Worker, Licensed Acupuncturist

Jeannie Mueller , PA-C, RD, CDE

Physician Assistant

NPI 1083809149

Physician Assistant (Certified), Registered Dietitian, Certified Diabetes Educator

Rachel Stranathan , PA-C

Physician Assistant

NPI 1114107620

Physician Assistant (Certified)

Christy Mattson , RDH

Dental Hygienist

NPI 1174853618

Registered Dental Hygienist

Dr. Andrew Astin , DO

Pediatrics

NPI 1194285650

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location April 20, 2026

Registered at 1010 S RIO GRANDE AVE, MONTROSE, CO 814014831 (Tel: 9704973333)

📍

Updated Business Mailing Address April 20, 2026

Registered at PO BOX 529, OLATHE, CO 814250529 (Tel: 9703236141)

✅

NPI Profile Active July 20, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 20, 2016

Registered at 1550 E. NIAGARA ROAD, MONTROSE, CO 814015027 (Tel: 9704974921)

📍

Updated Business Mailing Address July 20, 2016

Registered at 1550 E. NIAGARA ROAD, MONTROSE, CO 814015027 (Tel: 9704974921)

👤

Provider Name / Credentials Updated July 20, 2016

Recorded as ISAAC KLOSTERMANN, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 20, 2016

Physician Assistant (License #PA.0003531 in CO)

🟢

Initial NPI Registration & Enumeration October 05, 2012

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1386996080

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 05, 2012

Last Update: April 20, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 529

Olathe, CO 814250529

Phone: 9703236141

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.