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SIAVASH PANAH M.D.
NPI 1114122876
Internal Medicine - Sleep Medicine in Greeley, CO

Active since June 20, 2007PECOS EnrolledAccepts Medicare Assignment
1801 16TH ST, GREELEY, CO 80631(951) 486-4000(951) 486-5705 Get Directions Write a Review

NPPES record last updated: July 24, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Siavash Panah M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIAVASH PANAH M.D. (NPI 1114122876) is an individual sleep medicine provider in Greeley, Colorado, licensed in Colorado (DR.0062745) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Wyoming Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1114122876
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameSIAVASH PANAHCredential: M.D.
Location Address1801 16TH STGreeley, CO 80631-5199
Mailing Address1801 16th StGreeley, CO 80631-5199 · (970) 810-2026 · Fax (970) 810-2028
Phone(951) 486-4000
Fax(951) 486-5705
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateJune 20, 2007
Last NPPES UpdateJuly 24, 2019
✔ NPI 1114122876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
Licenses✔ Licensed in CO · DR.0062745✔ Licensed in CA · A111488
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedInternal MedicineTaxonomy 207R00000X · License A111488 (CA)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A111488 (CA), DR.0062745 (CO)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A111488 (CA), DR.0062745 (CO)
Also ListedPsychiatry & Neurology · Sleep MedicineTaxonomy 2084S0012X · License 2693 (TN)
1801 16TH ST, Greeley, CO 80631
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Other Names 1

Former Name (1)Siavash Farshidpanah M.d.

Secondary Practice Locations 2

Location 14700 Lady Moon DrFort Collins, CO 80528-4426 · Phone (970) 810-2026
Location 22000 Boise AveLoveland, CO 80538-4281 · Phone (970) 820-2120

Other Identifiers 1

OtherCA123699CA · Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Siavash Panah M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890911366
PECOS Enrollment IDI20190821002380, I20210302002567, I20210305001836
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Siavash Panah reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner Health Physicians Colorado LLC
0.1 mi
Multi-Specialty
1800 15TH ST STE 300
Greeley, CO 80631
  • Reassigned Medicare billing, Colorado enrollment
  • 324 clinicians in this Medicare group
NPI 1306114475 (970) 392-2344
Banner Health Physicians West LLC
165 mi
Multi-Specialty
2601 N SPRUCE ST
Ogallala, NE 69153
  • Reassigned Medicare billing, Nebraska and Wyoming enrollments
  • Also billed through NPI 1063778728 (Wyoming)
  • 13 clinicians in this Medicare group
NPI 1154687812 (308) 284-3645
Banner Hospital Based Physicians West LLC
187 mi
Multi-Specialty
1233 E 2ND ST
Casper, WY 82601
  • Reassigned Medicare billing, Wyoming enrollment
  • 54 clinicians in this Medicare group
NPI 1619464120 (307) 577-2171
Washakie Medical Center
299 mi
Critical Access
400 S 15TH ST
Worland, WY 82401
  • Reassigned Medicare billing, Wyoming enrollment
  • 28 clinicians in this Medicare group
NPI 1255368593 (307) 347-3221

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Sleep study including heart rate, breathing, airflow, and effort 95806
A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.
76 services75 patients
Sleep study including heart rate, breathing, airflow, and effort 95806
A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.
26 services26 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
24 services24 patients
Sleep study including heart rate, breathing, and sleep time 95800
A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.
22 services22 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
15 services15 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wyoming Medical Center

Acute Care Hospitals · Casper, WY
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number530012
Location1233 East 2nd StCasper, WY 82601 · Natrona County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80631 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 20

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
12 suppliers181 claims181 services$37.59 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
13 suppliers107 claims107 services$93.47 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
13 suppliers135 claims307 services$34.53 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
8 suppliers63 claims295 services$20.05 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
7 suppliers34 claims135 services$14.81 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
11 suppliers92 claims92 services$60.51 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SHELDON GREGORY STADNYK M.D.
Internal Medicine
1801 16TH ST
GREELEY, CO 80631
Weld County (970) 350-6002
KAITLYN ELIZABETH RUNNELS RN
Nurse Practitioner (Neonatal)
1801 16TH ST
GREELEY, CO 80631
Weld County (970) 810-4121
NCMC SPECIALTY CLINIC
Clinic/Center (Multi-Specialty)
1801 16TH ST
GREELEY, CO 80631
Weld County (970) 378-4475
JACOB BERNSTEIN
Neurological Surgery
1801 16TH ST
GREELEY, CO 80631
Weld County (970) 810-5996
JARAH ADRIANNA GRASHORN
Social Worker (Clinical)
1801 16TH ST
GREELEY, CO 80631
Weld County (970) 810-2044
MARGARET ELISABETH WILSON
Nurse Anesthetist, Certified Registered
1801 16TH ST
GREELEY, CO 80631
Weld County (517) 740-0386
ATRIUM APOTHECARY
Pharmacy (Community/Retail Pharmacy)
1801 16TH ST
GREELEY, CO 80631
Weld County (970) 378-4500
ADVANCED PRACTITIONERS OF COLORADO, PC
Emergency Medicine
1801 16TH ST
GREELEY, CO 80631
Weld County (970) 352-6644

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Siavash Panah's NPI number?

The NPI number for Siavash Panah is 1114122876. It was assigned to this individual provider in the NPPES registry on June 20, 2007. The provider is also known as Siavash Farshidpanah M.D..

Where is Siavash Panah located?

Siavash Panah practices at 1801 16th St, Greeley, CO 80631. The listed phone number is (951) 486-4000.

What is Siavash Panah's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Siavash Panah enrolled in Medicare?

Yes. Siavash Panah is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Siavash Panah's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Siavash Panah reassigns Medicare benefits to 4 organizations: Banner Health Physicians Colorado LLC (Greeley, CO), Banner Health Physicians West LLC (Ogallala, NE), Banner Hospital Based Physicians West LLC (Casper, WY) and Washakie Medical Center (Worland, WY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Siavash Panah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Siavash Panah accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Nebraska and 2 other insurers list Siavash Panah as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Siavash Panah affiliated with any hospitals?

According to CMS data, Siavash Panah is affiliated with Wyoming Medical Center.

When was this NPI record last updated?

The NPPES record for Siavash Panah was last updated on July 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.