NATHAN VALENCIA STILL D.O.
NPI 1356722003
Internal Medicine in Laramie, WY

Q: What is Nathan Valencia Still's NPI number?

The NPI number for Nathan Valencia Still is 1356722003. It was assigned to this individual provider in the NPPES registry on June 17, 2015.

Q: What is Nathan Valencia Still's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since June 17, 2015PECOS EnrolledAccepts Medicare Assignment

84/100

CMS Quality Rating

255 N 30TH ST, LARAMIE, WY 82072(307) 742-2141 Get Directions Write a Review

NPPES record last updated: July 11, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Nathan Valencia Still D.o. NPPES

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

NATHAN VALENCIA STILL D.O. (NPI 1356722003) is an individual internal medicine provider in Laramie, Wyoming, licensed in Kansas (94-08688) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Ivinson Memorial Hospital, and is a graduate of Kansas City University Of Med & Biosciences, College Of Osteo Med (2015).

NPPES Registry Identity

NPI1356722003

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameNATHAN VALENCIA STILLCredential: D.O.

Location Address255 N 30TH STLaramie, WY 82072

Mailing Address255 N 30th StLaramie, WY 82072-5140 · (307) 742-2141

Phone(307) 742-2141

Sole ProprietorYes

Medical School CMSKansas City University Of Med & Biosciences, College Of Osteo MedGraduated 2015

Enumeration DateJune 17, 2015

Last NPPES UpdateJuly 11, 2018

✔ NPI 1356722003 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in KS · 94-08688✔ Licensed in WY · TL4374

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

255 N 30TH ST, Laramie, WY 82072

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Accepted Insurance

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

Nathan Valencia Still D.o. 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 ID3870807969

PECOS Enrollment IDI20180618000868, I20260513000347

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 Nathan Valencia Still reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ivinson Memorial Hospital

0.1 mi

Rural Health

3116 WILLETT DR
Laramie, WY 82072

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

NPI 1033628599 (307) 742-6319

Banner Hospital Based Physicians Colorado LLC

62 mi

Multi-Specialty

4700 LADY MOON DR
Fort Collins, CO 80528

Reassigned Medicare billing, Colorado enrollment
163 clinicians in this Medicare group

NPI 1386034122 (970) 229-4500

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 12

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

469 services363 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

148 services95 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

107 services77 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

103 services94 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

68 services63 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

36 services36 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

35 services35 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

26 services25 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

22 services22 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

21 services21 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

15 services15 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Ivinson Memorial Hospital

Acute Care Hospitals · Laramie, WY

OwnershipGovernment - Hospital District or Authority

CMS Certification Number530025

Location255 N 30thLaramie, WY 82072 · Albany County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82072 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

$129.37 typical visit price

range $56.42 – $170.72

Typical copayment $32.34 (range $14.10 – $42.68)

Most-billed visit code 99204

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.

84/100

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

Scored as part of a group practice

Quality

76.87

Promoting Interoperability

100

Improvement Activities

Cost

69.81

Referred Medical Equipment & Supplies CMS DME claims

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

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

4 suppliers16 claims16 services$109.43 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. CALVIN ALPHA BELL D.O.

Anesthesiology