Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. AHMED MOHAMED ZIHNI M.D., M.P.H.
NPI 1619280997
Surgery in Denver, CO

Q: What is Ahmed Zihni's NPI number?

The NPI number for Ahmed Zihni is 1619280997. It was assigned to this individual provider in the NPPES registry on July 15, 2010.

Q: What is Ahmed Zihni's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Ahmed Zihni was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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 15, 2010PECOS Enrolled

2535 S DOWNING ST STE 400, DENVER, CO 80210(720) 508-8855(303) 645-4992 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 25, 2023, Jun 7, 2023, Aug 6, 2018 (3 updates tracked since 2018).

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About Dr. Ahmed Mohamed Zihni M.d., M.p.h. NPPES

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

DR. AHMED MOHAMED ZIHNI M.D., M.P.H. (NPI 1619280997) is an individual surgery provider in Denver, Colorado, licensed in Colorado (DR.0061101) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Community Hospital, and is a graduate of State University Of New York Downstate Medical Center (2010).

NPPES Registry Identity

NPI1619280997

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. AHMED MOHAMED ZIHNICredential: M.D., M.P.H.

Location Address2535 S DOWNING ST STE 400Denver, CO 80210-5851

Mailing AddressPo Box 300369Denver, CO 80203-0369 · (303) 957-1310 · Fax (303) 761-4252

Phone(720) 508-8855

Fax(303) 645-4992

Sole ProprietorNo

Medical School CMSState University Of New York Downstate Medical CenterGraduated 2010

Enumeration DateJuly 15, 2010

Last NPPES UpdateOctober 21, 20263 updates tracked since enumeration

NPPES CertifiedOctober 21, 2026

✔ NPI 1619280997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in CO · DR.0061101

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

2535 S DOWNING ST STE 400, Denver, CO 80210

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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, Select Health, 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

Dr. Ahmed Mohamed Zihni M.d., M.p.h. 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 ID6305112558

PECOS Enrollment IDI20180924000391, I20240222002660

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 Ahmed Zihni reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgone, PC

1.2 mi

Surgery

701 E HAMPDEN AVE STE 420
Englewood, CO 80113

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

NPI 1598216756 (303) 789-1877

Traumaone, PLLC

5.7 mi

Trauma Surgery

8490 E CRESCENT PKWY STE 380
Greenwood Village, CO 80111

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

NPI 1457772162 (303) 957-1310

Prowers County Hospital District

169 mi

Critical Access

401 KENDALL DRIVE
Lamar, CO 81052

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

NPI 1821052929 (719) 336-4343

Community Hospital

171 mi

Critical Access

2000 CAMPBELL DR
Torrington, WY 82240

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

NPI 1669410643 (307) 532-4181

Banner Health Physicians West LLC

230 mi

Multi-Specialty

1020 E 2ND ST STE 201
Casper, WY 82601

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

NPI 1063778728 (307) 233-0250

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 8

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 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.

66 services54 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

47 services32 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

35 services35 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.

35 services35 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

33 services22 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

24 services22 patients

Hospital Affiliations CMS Care Compare

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

Community Hospital

Critical Access Hospitals · Torrington, WY

OwnershipVoluntary non-profit - Private

CMS Certification Number531307

Location2000 Campbell DriveTorrington, WY 82240 · Goshen County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80210 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

Most-billed visit code 99213

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 2

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

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

DME-Oxygen and Supplies · category DC000N

3 suppliers18 claims18 services$15.32 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

5 suppliers27 claims27 services$67.70 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 7

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

THOMAS G HEFFRON MD

Transplant Surgery