ZESHAN KHAN AHMAD MD
NPI 1124439682
Internal Medicine - Clinical Cardiac Electrophysiology in Baltimore, MD

Q: What is Zeshan Ahmad's NPI number?

The NPI number for Zeshan Ahmad is 1124439682. It was assigned to this individual provider in the NPPES registry on May 17, 2014.

Q: What is Zeshan Ahmad's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: When was this NPI record last updated?

The NPPES record for Zeshan Ahmad was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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 17, 2014PECOS Enrolled

74.39/100

CMS Quality Rating

600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-3097(410) 367-2059 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 9, 2025, Nov 22, 2023, Sep 21, 2022 (3 updates tracked since 2022).

On this page

About Zeshan Khan Ahmad Md NPPES

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

ZESHAN KHAN AHMAD MD (NPI 1124439682) is an individual clinical cardiac electrophysiology provider in Baltimore, Maryland, licensed in Maryland (D95278) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and maintains a secondary practice location in Phoenix.

NPPES Registry Identity

NPI1124439682

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameZESHAN KHAN AHMADCredential: MD

Location Address600 N WOLFE STBaltimore, MD 21287-0005

Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-6423

Phone(410) 955-3097

Fax(410) 367-2059

Sole ProprietorNo

Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2014

Enumeration DateMay 17, 2014

Last NPPES UpdateApril 9, 20253 updates tracked since enumeration

NPPES CertifiedApril 9, 2025

✔ NPI 1124439682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

License✔ Licensed in MD · D95278

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedInternal MedicineTaxonomy 207R00000X · License R74398 (AZ)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License D95278 (MD), MD210002603 (DC)

600 N WOLFE ST, Baltimore, MD 21287

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Secondary Practice Location 1

Location 11111 E McDowell RdPhoenix, AZ 85006-2612 · Phone (602) 839-2296

Other Identifiers 1

Medicaid1124439682AZ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Zeshan Khan Ahmad Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931473303

PECOS Enrollment IDI20220818000251, I20230127001216

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

Johns Hopkins Community Physicians, Inc

Same address

Internal Medicine

600 N WOLFE ST
Baltimore, MD 21287

Reassigned Medicare billing, District of Columbia and Maryland enrollments
Also billed through NPI 1124629837 (Maryland)
691 clinicians in this Medicare group

NPI 1255359972 (410) 502-2037

Johns Hopkins University

Same address

Cardiovascular Disease

600 N WOLFE ST
Baltimore, MD 21287

Reassigned Medicare billing, District of Columbia and Maryland enrollments
Also billed through NPI 1922581412 (Maryland), NPI 1487118048 (Maryland)
39 clinicians in this Medicare group

NPI 1801891080 (410) 933-4397

Johns Hopkins University

Same address

Orthopaedic Surgery

600 N WOLFE ST
Baltimore, MD 21287

Reassigned Medicare billing, Maryland enrollment
4,483 clinicians in this Medicare group

NPI 1013913789 (410) 955-5000

Johns Hopkins University

Same address

Clinical Cardiac Electrophysiology

600 N WOLFE ST
Baltimore, MD 21287

Reassigned Medicare billing, District of Columbia enrollment

NPI 1487118048 (410) 955-5000

Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm

1,967 mi

Public Health or Welfare

2400 W DATSI ST
Camp Verde, AZ 86322

Reassigned Medicare billing, Texas enrollment
599 clinicians in this Medicare group

NPI 1205859618 (928) 567-2168

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 22

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.

362 services322 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

360 services253 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

270 services181 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.

151 services123 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

126 services126 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 93656

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

71 services69 patients

Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm 93657

This procedure involves using a tube, or catheter, to access your upper heart chamber. Special tools are then used to destroy a small area of heart tissue causing abnormal rhythm. This helps reset your heart's regular rhythm, improving heart function.

63 services43 patients

Programming of heart rhythm stimulation after drug infusion 93623

Programming of heart rhythm stimulation after drug infusion is a process to regulate your heartbeat. After a medication is administered into your body, a device is programmed to monitor and correct irregular heart rhythms, ensuring your heart functions optimally.

42 services42 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

34 services34 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

32 services32 patients

Insertion of catheters for recording and pacing of left lower heart chamber rhythm and induction of abnormal rhythm 93622

This procedure involves placing thin tubes, called catheters, into your heart's left lower chamber. These catheters record your heart rhythm and can help regulate it if needed. They can also provoke irregular rhythms for diagnostic purposes, all under safe, controlled conditions.

26 services26 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

23 services23 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

19 services19 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

19 services18 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

18 services17 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

18 services17 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

17 services17 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

17 services17 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

16 services16 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality of upper chamber of heart causing supraventricular tachycardia (rapid heart rate) 93653

This procedure is a detailed study of your heart's electrical activity. A thin tube (catheter) is inserted into your heart to identify and eliminate the area causing a fast heart rate. This helps restore normal heart rhythm, specifically targeting the upper chamber of the heart.

14 services14 patients

Insertion of permanent leadless pacemaker using imaging guidance 33274

A permanent leadless pacemaker is a small device placed in the heart to regulate its rhythm. Using imaging guidance, the pacemaker is inserted through a vein in the leg, traveling up to the heart. It's a less invasive procedure than traditional pacemaker implantation.

12 services12 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210005

Location400 West Seventh StFrederick, MD 21701 · Frederick County

Emergency services Birthing friendly

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210009

Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County

Emergency services Birthing friendly

Suburban Hospital

Acute Care Hospitals · Bethesda, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210022

Location8600 Old Georgetown RoadBethesda, MD 20814 · Montgomery County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

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.

74.39/100

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

Scored as part of a group practice

Quality

64.71

Promoting Interoperability

Improvement Activities

Cost

52.43

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.

PAMELA KIMZEY DONOHUE SCD, PA-C

Physician Assistant (Medical)

600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287

Baltimore City (410) 955-5232

MR. CHRISTOPHER DAVID SCHRIEBER M.S., PA-C

Physician Assistant

600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287

Baltimore City (410) 955-8708

DR. SABRINA CHRISTINE SOPHA M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-3580

SANDRA KING D.H.

Dental Hygienist

600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287

Baltimore City (410) 955-6662

THERESA J RUDDY C.P.N.P., CRNP

Nurse Practitioner (Acute Care)

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5260

DR. SUMAN PAUL M.B.B.S, PHD

Internal Medicine (Medical Oncology)

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

MS. SARAH CATHERINE COLLICA

Psychiatry & Neurology (Psychiatry)

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (443) 287-4701

JEFF S EHRESMAN

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

KAITLYN MARIE FRAZIER MD

Otolaryngology

600 N WOLFE ST, JOHNS HOPKINS HOSPITAL, DEPT OF OTOLARYNGOLOGY
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

CAROLINE FRANCES PLOTT MS

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-3080

BRIAN TRAN PHARMD

Pharmacist (Ambulatory Care)

600 N WOLFE ST, CARNEGIE BLDG ROOM 180
BALTIMORE, MD 21287

Baltimore City (678) 879-3126

EMAD MUHAMMED ALI IBRAHIM

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

AARON DOBBINS

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-9790

ETHAN THIO

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

ALEXANDRA JADE DAVIS

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

ARIE CALEB VAN WIEREN

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

MS. ANA C ZEGHIBE

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

MURPHY KENNY

Student in an Organized Health Care Education/Training Program

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5000

DR. PRADEEP Y RAMULU MD

Ophthalmology

600 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-6052

LEISHA EMENS

Internal Medicine (Medical Oncology)

600 N WOLFE ST, SUITE 4628
BALTIMORE, MD 21287

Baltimore City (410) 955-8964

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 Zeshan Ahmad's NPI number?

The NPI number for Zeshan Ahmad is 1124439682. It was assigned to this individual provider in the NPPES registry on May 17, 2014.

Where is Zeshan Ahmad located?

Zeshan Ahmad practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-3097.

What is Zeshan Ahmad's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Zeshan Ahmad enrolled in Medicare?

Yes. Zeshan Ahmad is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Zeshan Ahmad's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zeshan Ahmad reassigns Medicare benefits to 5 organizations: Johns Hopkins Community Physicians, Inc (Baltimore, MD), Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (Camp Verde, AZ). 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 Zeshan Ahmad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Zeshan Ahmad affiliated with any hospitals?

According to CMS data, Zeshan Ahmad is affiliated with Frederick Health Hospital, Johns Hopkins Hospital, The and Suburban Hospital.

When was this NPI record last updated?

The NPPES record for Zeshan Ahmad was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.