SHERRILL A FOX M.D.
NPI 1124034566
Family Medicine in Casper, WY

Q: What is Sherrill Fox's NPI number?

The NPI number for Sherrill Fox is 1124034566. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Q: What is Sherrill Fox's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Sherrill Fox was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment

71.67/100

CMS Quality Rating

6500 E 2ND ST, SUITE 200, CASPER, WY 82609(307) 577-5100(307) 234-1201 Get Directions Write a Review

NPPES record last updated: August 11, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Sherrill A Fox M.d. NPPES

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

SHERRILL A FOX M.D. (NPI 1124034566) is an individual family medicine provider in Casper, Wyoming, licensed in Wyoming (5958A) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Wyoming Medical Center, and is a graduate of Brody School Of Medicine At East Carolina University (1996).

NPPES Registry Identity

NPI1124034566

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameSHERRILL A FOXCredential: M.D.

Location Address6500 E 2ND ST, SUITE 200Casper, WY 82609-4338

Mailing Address6500 E 2nd St, Suite 200Casper, WY 82609-4338 · (307) 577-5100 · Fax (307) 234-1201

Phone(307) 577-5100

Fax(307) 234-1201

Sole ProprietorNo

Medical School CMSBrody School Of Medicine At East Carolina UniversityGraduated 1996

Enumeration DateJuly 31, 2006

Last NPPES UpdateAugust 11, 2020

NPPES CertifiedAugust 11, 2020

✔ NPI 1124034566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in WY · 5958A

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

6500 E 2ND ST, Casper, WY 82609

Open in Google Maps ↗

Other Identifiers 3

Other314512WY · Bc/bs

Medicaid113011100WY

Other611665900WY · Dept Of Labor

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Wyoming, UnitedHealthcare.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

Sherrill A Fox 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 ID345244851

PECOS Enrollment IDI20060913000619

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

Medicare enrollment records show Sherrill Fox reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Summit Memorial Medical Group LLC

Same address

General Practice

6500 E 2ND ST
Casper, WY 82609

Reassigned Medicare billing, Wyoming enrollment
38 clinicians in this Medicare group

NPI 1598469462 (307) 577-1000

Memorial Hospital Of Converse County

43 mi

General Practice

111 S 5TH ST
Douglas, WY 82633

Reassigned Medicare billing, Wyoming enrollment
131 clinicians in this Medicare group

NPI 1356496491 (307) 358-2122

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 14

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

201 services131 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

184 services81 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

158 services158 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

150 services114 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

62 services23 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

55 services55 patients

Urine microalbumin (protein) analysis 82044

Urine microalbumin analysis is a test that measures the amount of a protein called albumin in your urine. This protein is usually present in very small amounts, but higher levels can indicate kidney issues. The test is non-invasive and involves a simple urine sample.

50 services47 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

29 services28 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

28 services24 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

25 services12 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

15 services15 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

15 services15 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

14 services14 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Summit Medical Center

Acute Care Hospitals · Casper, WY

OwnershipPhysician

CMS Certification Number530034

Location6350 E 2nd StreetCasper, WY 82609 · Natrona County

Memorial Hospital Of Converse County

Critical Access Hospitals · Douglas, WY

OwnershipGovernment - Local

CMS Certification Number531302

Location111 South 5th StreetDouglas, WY 82633 · Converse County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82609 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

$87.12 typical visit price

range $56.42 – $170.72

Typical copayment $21.78 (range $14.10 – $42.68)

Most-billed visit code 99203

Established Patient

$99.46 typical visit price

range $18.19 – $139.32

Typical copayment $24.86 (range $4.54 – $34.83)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

71.67/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

64.21

Promoting Interoperability

Improvement Activities

Cost

58.87

Referred Medical Equipment & Supplies CMS DME claims 27

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers30 claims50 services$5.61 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

4 suppliers13 claims14 services$0.83 avg. paid by Medicare

Insertion tray with drainage bag with indwelling catheter, foley type, two-way latex with coating (teflon, silicone, silicone elastomer or hydrophilic, etc.) A4314

DME-Orthotic Devices · category DF000N

1 supplier11 claims11 services$24.40 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

2 suppliers15 claims29 services$9.37 avg. paid by Medicare

Urinary drainage bag, leg or abdomen, vinyl, with or without tube, with straps, each A4358

DME-Orthotic Devices · category DF000N

1 supplier11 claims22 services$6.40 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

4 suppliers15 claims15 services$36.87 avg. paid by Medicare

Gauze, non-impregnated, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6402

DME-Medical/Surgical Supplies · category DA023N

1 supplier11 claims330 services$0.11 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

5 suppliers41 claims42 services$93.62 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

5 suppliers38 claims93 services$37.07 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

3 suppliers24 claims90 services$13.85 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

3 suppliers20 claims20 services$47.26 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

5 suppliers38 claims39 services$18.81 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

4 suppliers48 claims48 services$15.01 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

5 suppliers73 claims347 services$2.23 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

4 suppliers12 claims13 services$6.82 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

3 suppliers26 claims26 services$10.21 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers116 claims123 services$16.41 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

3 suppliers36 claims41 services$43.01 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

6 suppliers42 claims42 services$912.88 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

3 suppliers53 claims55 services$14.62 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers37 claims37 services$5.94 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

6 suppliers112 claims112 services$38.97 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

8 suppliers369 claims382 services$84.75 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers68 claims68 services$33.87 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

6 suppliers37 claims4,536 services$0.10 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

3 suppliers54 claims54 services$179.75 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

5 suppliers38 claims38 services$24.68 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.

SAVANNAH MARIE CARDENAS FNP, DNP

Family Medicine

6500 E 2ND ST
CASPER, WY 82609

Natrona County (307) 577-5100

JACOB EHLERT PA

Physician Assistant

6500 E 2ND ST
CASPER, WY 82609

Natrona County (307) 577-5100

JAMIE CATHERINE KIDDER NP-C

Nurse Practitioner

6500 E 2ND ST
CASPER, WY 82609

Natrona County (307) 995-8100

REGIONAL WEST MEDICAL CENTER

Clinical Medical Laboratory

6500 E 2ND ST, SUITE 201
CASPER, WY 82609

Natrona County (307) 234-3800

WESTERN MEDICAL ASSOCIATES, L.L.C. DIAGNOSTICS AND IMAGING

Radiologic Technologist

6500 E 2ND ST, SUITE 100
CASPER, WY 82609

Natrona County (307) 577-5100

WESTERN MEDICAL ASSOCIATES, LLC

Family Medicine

6500 E 2ND ST, SUITE 200
CASPER, WY 82609

Natrona County (307) 577-5100

DR. RICARDO AUGUSTO CALDAS DO

Internal Medicine

6500 E 2ND ST
CASPER, WY 82609

Natrona County (307) 577-5100

WERNER A STUDER MD

Family Medicine

6500 E 2ND ST, SUITE #200
CASPER, WY 82609

Natrona County (307) 577-5100

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 Sherrill Fox's NPI number?

The NPI number for Sherrill Fox is 1124034566. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Sherrill Fox located?

Sherrill Fox practices at 6500 E 2nd St Suite 200, Casper, WY 82609. The listed phone number is (307) 577-5100.

What is Sherrill Fox's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Sherrill Fox enrolled in Medicare?

Yes. Sherrill Fox 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 Sherrill Fox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sherrill Fox reassigns Medicare benefits to 2 organizations: Summit Memorial Medical Group LLC (Casper, WY) and Memorial Hospital Of Converse County (Douglas, 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 Sherrill Fox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sherrill Fox accept?

Health plans from Blue Cross Blue Shield of Wyoming and UnitedHealthcare list Sherrill Fox 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 Sherrill Fox affiliated with any hospitals?

According to CMS data, Sherrill Fox is affiliated with Wyoming Medical Center, Summit Medical Center and Memorial Hospital Of Converse County.

When was this NPI record last updated?

The NPPES record for Sherrill Fox was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.