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

AMMAR ASIF AHMED MD
NPI 1821619388
Internal Medicine - Pulmonary Disease in Mount Pleasant, WI

Q: What is Ammar Ahmed's NPI number?

The NPI number for Ammar Ahmed is 1821619388. It was assigned to this individual provider in the NPPES registry on May 6, 2020.

Q: What is Ammar Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Ammar Ahmed was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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 May 06, 2020PECOS Enrolled

13250 WASHINGTON AVE, MOUNT PLEASANT, WI 53177(262) 799-8700 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 17, 2026, Jul 10, 2025, Jun 26, 2025 and 1 more (4 updates tracked since 2020).

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About Ammar Asif Ahmed Md NPPES

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

AMMAR ASIF AHMED MD (NPI 1821619388) is an individual pulmonary disease provider in Mount Pleasant, Wisconsin, licensed in Wisconsin (82272) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1821619388

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameAMMAR ASIF AHMEDCredential: MD

Location Address13250 WASHINGTON AVEMount Pleasant, WI 53177-1516

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(262) 799-8700

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateMay 6, 2020

Last NPPES UpdateAugust 17, 20264 updates tracked since enumeration

NPPES CertifiedAugust 17, 2026

✔ NPI 1821619388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Licenses✔ Licensed in WI · 82272✔ Licensed in IL · 036.164185

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125.076205 (IL)

Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 036.164185 (IL), 82272 (WI)

13250 WASHINGTON AVE, Mount Pleasant, WI 53177

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Secondary Practice Location 1

Location 1UI Health, Graduate Medical Education Office, 820 South Wood Street Suite 100, MC 675Chicago, IL 60612 · Phone (312) 996-2933

Other Identifiers 1

Medicaid100420916WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ammar Asif Ahmed Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5698202836

PECOS Enrollment IDI20260622002995

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53177 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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.

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.

ALEXIS MARIE VENTURA DNP, CRNA

Nurse Anesthetist, Certified Registered

13250 WASHINGTON AVE
MOUNT PLEASANT, WI 53177

Racine County (262) 857-5000

JACK CONOR NEYLON

Registered Nurse

13250 WASHINGTON AVE
MT PLEASANT, WI 53177

Racine County (262) 799-8700

DR. ADRIAN KENNETH STULL M.D.

Emergency Medicine

13250 WASHINGTON AVE
MOUNT PLEASANT, WI 53177

Racine County (262) 799-8700

JAMES M WALTENBERGER MD

Surgery

13250 WASHINGTON AVE
MOUNT PLEASANT, WI 53177

Racine County (888) 720-2012

DR. DONNA J HEMPHILL MD

Obstetrics & Gynecology

13250 WASHINGTON AVE
MOUNT PLEASANT, WI 53177

Racine County (888) 720-2012

MARGARET ANN RYNKIEWICZ

Physician Assistant

13250 WASHINGTON AVE
MOUNT PLEASANT, WI 53177

Racine County (262) 799-8700

MR. JEFFREY THOMAS VAUGHAN KROEGER CRNA

Nurse Anesthetist, Certified Registered

13250 WASHINGTON AVE
MOUNT PLEASANT, WI 53177

Racine County (262) 799-8700

MR. EVAN JACOB CLARK MD

Emergency Medicine

13250 WASHINGTON AVE
MOUNT PLEASANT, WI 53177

Racine County (262) 799-8200

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 Ammar Ahmed's NPI number?

The NPI number for Ammar Ahmed is 1821619388. It was assigned to this individual provider in the NPPES registry on May 6, 2020.

Where is Ammar Ahmed located?

Ammar Ahmed practices at 13250 Washington Ave, Mount Pleasant, WI 53177. The listed phone number is (262) 799-8700.

What is Ammar Ahmed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Ammar Ahmed enrolled in Medicare?

Yes. Ammar Ahmed is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ammar Ahmed was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.