DILJON SINGH CHAHAL MD
NPI 1184883217
Internal Medicine - Interventional Cardiology in Baltimore, MD
NPI Status: Active since June 04, 2008
Contact Information
22 S GREENE ST
BALTIMORE, MD
ZIP 21201
Phone: (410) 328-7877
Fax: (410) 328-1048
- Individual
- Male
- Years of Experience 18
- Internal Medicine
- Interventional Cardiology
- Accepts Medicare Approved Payment
- PECOS Enrolled
About DILJON CHAHAL
This page provides the complete NPI Profile along with additional information for Diljon Chahal, an internist established in Baltimore, Maryland with a medical specialization in Internal Medicine, focusing in interventional cardiology and more than 18 years of experience. He graduated from Medical College Of Wisconsin in 2008. The healthcare provider is registered in the NPI registry with number 1184883217 assigned on June 2008. The practitioner's primary taxonomy code is 207RI0011X with license number D84713 (MD). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1184883217
- Provider Name
- DILJON SINGH CHAHAL MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 22 S GREENE ST BALTIMORE, MD 21201
- Location Phone
- (410) 328-7877
- Location Fax
- (410) 328-1048
- Mailing Address
- PO BOX 64442 BALTIMORE, MD 21264
- Mailing Phone
- (410) 328-8040
- Mailing Fax
- (410) 328-1048
- Medical School Name
- MEDICAL COLLEGE OF WISCONSIN
- Graduation Year
- 2008
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-04-2008
- Last Update Date
- 02-27-2025
- Code Navigator
An internist like Diljon Chahal is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Secondary Locations
- 827 Linden Ave Fl 2
Baltimore, MD 21201
(410) 328-7877 - 7601 Osler Dr
Baltimore, MD 21204
(410) 337-3947 - 200 Memorial Ave
Westminster, MD 21157
(410) 328-7877 - 118 Westminster Pike Ste 106
Reisterstown, MD 21136
(410) 876-0086
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Internal Medicine Interventional Cardiology
- Taxonomy Code
- 207RI0011X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- D84713
- License State
- MD
- Taxonomy Description
- An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | D84713 (MD) |
| 2 | 207RC0000X | Allopathic & Osteopathic Physicians | Internal Medicine | D84713 (MD) |
Medicare Participation & PECOS Enrollment Status
Diljon Chahal is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
Diljon Chahal is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
PECOS PAC ID: 3577862762
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20180823003022, I20250123002744
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Biopsy of heart muscle
Coronary angioplasty and stenting
Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional
Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional
Established patient office or other outpatient visit, 40-54 minutes
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician
Follow-up hospital inpatient care per day, typically 25 minutes
Follow-up hospital inpatient care per day, typically 35 minutes
Initial hospital inpatient care per day, typically 50 minutes
Initial hospital inpatient care per day, typically 70 minutes
Insertion of blood flow assist device in aorta through skin
Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch
Insertion of tube in coronary artery for diagnosis with review by radiologist
Insertion of tube in left heart chambers for diagnosis with review by radiologist
Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist
Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist
Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist
Insertion of tube in right heart chambers for measurement
New patient office or other outpatient visit, 60-74 minutes
Pacemaker insertion or repair
Perq trluml coronry lithotrp
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
Removal of plaque and blood clot, insertion of stent and/or balloon dilation of single vessel
Removal of plaque, insertion of stent and balloon dilation of single coronary artery or branch
Removal of plaque, insertion of stent and/or balloon dilation of single coronary artery, branch or bypass graft
Replacement of aortic valve through the skin and femoral artery
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
Telephone medical discussion with physician, 21-30 minutes
Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel
Ultrasound evaluation of heart blood vessel or graft with review by radiologist, each additional vessel
Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
A biopsy of the heart muscle is a procedure where a small piece of heart tissue is taken for examination. This helps doctors identify heart diseases or abnormalities. The procedure involves inserting a thin tube through a vein and into the heart, under local anesthesia.
This service was performed 18 times for 17 patientsCoronary angioplasty and stenting is a procedure to open narrowed or blocked heart arteries. A thin tube is inserted into a blood vessel, usually in the leg or arm, and guided to the heart. A small balloon at the end of the tube is inflated to widen the artery. A stent, a small wire mesh tube, may be placed in the artery to keep it open.
This service was performed for 150 patientsAn Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.
This service was performed 16 times for 16 patientsAn Electrocardiogram (ECG) is a test that records the electrical activity of your heart. For up to 30 days, a device will continuously monitor your heart's rhythm, noting any symptoms. The data is sent to a healthcare professional who reviews it and provides a report on your heart health.
This service was performed 12 times for 12 patientsThis 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.
This service was performed 46 times for 41 patientsAn exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.
This service was performed 15 times for 15 patientsFollow-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.
This service was performed 45 times for 36 patientsFollow-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.
This service was performed 19 times for 14 patientsInitial 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.
This service was performed 26 times for 26 patientsInitial 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.
This service was performed 43 times for 43 patientsThis procedure involves placing a device in your aorta, the main artery in your body, to aid blood flow. The device is inserted through your skin, without the need for large incisions. It helps to improve circulation, especially if your heart is struggling to pump blood effectively.
This service was performed 20 times for 19 patientsThis procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.
This service was performed 122 times for 87 patientsThis procedure involves placing a small tube into your coronary artery. It helps to identify any blockages or issues within the artery. A radiologist, a doctor specialized in medical imaging, will review the results to ensure accurate diagnosis.
This service was performed 19 times for 19 patientsThis procedure involves placing a small tube into the left chambers of your heart. It helps doctors diagnose heart conditions by providing clear images. A radiologist, a doctor specializing in medical imaging, reviews these images for accurate diagnosis.
This service was performed 21 times for 20 patientsThis procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.
This service was performed 166 times for 161 patientsThis procedure involves placing a tube into your left lower heart chamber, coronary artery, and bypass graft. It's done for diagnostic purposes and is carefully reviewed by a radiologist. This helps determine the health of your heart and arteries, aiding in future treatment plans.
This service was performed 20 times for 19 patientsThis procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.
This service was performed 36 times for 36 patientsThis procedure involves placing a small, flexible tube into the right side of your heart. It helps assess how your heart is functioning by measuring pressures within the heart chambers. It's a key tool in diagnosing certain heart conditions.
This service was performed 81 times for 75 patientsThis 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.
This service was performed 74 times for 74 patientsPacemaker insertion or repair is a procedure to help regulate your heartbeat. A small device, called a pacemaker, is implanted under the skin near your heart. This device sends electrical signals to prompt your heart to beat at a normal rate. In a repair procedure, the pacemaker may be adjusted, replaced, or the wires connecting it to your heart may be fixed.
This service was performed for 1-10 patientsA Percutaneous Transluminal Coronary Lithotripsy (Perq trluml coronry lithotrp) is a procedure to treat hard, calcified plaques in the heart's arteries. It uses sound waves to break up these plaques, improving blood flow to the heart. It's minimally invasive, done through a small incision.
This service was performed 13 times for 11 patientsThis 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.
This service was performed 19 times for 18 patientsThis procedure involves removing plaque, a substance that can block your blood vessels, and any blood clots. A stent, a tiny tube, may be inserted to keep the vessel open. If necessary, a balloon is inflated to widen the vessel, aiding blood flow.
This service was performed 19 times for 19 patientsThis procedure involves clearing a blockage in your heart's artery. First, the doctor removes plaque that's clogging the artery. Next, a small tube called a stent is inserted to keep the artery open. Lastly, a balloon is inflated inside the artery to widen it, allowing better blood flow.
This service was performed 44 times for 34 patientsThis procedure helps improve blood flow in your heart. Plaque, a substance blocking your artery, is removed. Then, a stent (small tube) may be inserted to keep the artery open. Alternatively, a balloon may be inflated to widen the artery. This can be done in a single artery, branch, or bypass graft.
This service was performed 23 times for 21 patientsThis procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
This service was performed 100 times for 100 patientsAn 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.
This service was performed 69 times for 65 patientsA 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.
This service was performed 453 times for 291 patientsThis service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
This service was performed 18 times for 16 patientsThis procedure involves using ultrasound technology to examine the first blood vessel of your heart. It helps identify any abnormalities or issues, providing crucial information for diagnosis or treatment. It's a safe, non-invasive process.
This service was performed 31 times for 30 patientsThis procedure involves using ultrasound technology to evaluate the condition of your heart's blood vessels or graft. A radiologist reviews the images to check for any abnormalities. If additional vessels need to be examined, the process is repeated.
This service was performed 33 times for 28 patientsThis procedure involves using ultrasound technology to examine the first vessel of your heart or graft. A radiologist will review the images. It's a non-invasive way to check the health of your heart's blood vessels.
This service was performed 109 times for 103 patientsThis 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.
This service was performed 32 times for 31 patientsPhysician Visit Costs
The typical physician office visit costs for Medicare beneficiaries in this area are: $34.76 for a new patient copayment and $26.64 for an established patient copayment.
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 21201 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $139.05
- Minimum New Patient Price $60.73
- Maximum New Patient Price $183.44
- Average New Patient Copayment $34.76
- Minimum New Patient Copayment $15.18
- Maximum New Patient Copayment $45.86
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $106.59
- Minimum Established Patient Price $19.6
- Maximum Established Patient Price $149.17
- Average Established Patient Copayment $26.64
- Minimum Established Patient Copayment $4.9
- Maximum Established Patient Copayment $37.29
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
Find Provider Hospital Affiliations - Privileges
Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.
Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Diljon Chahal is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| UNIVERSITY OF MARYLAND MEDICAL CENTER | 22 SOUTH GREENE STREET BALTIMORE, MD 21201 | (410) 328-8667 | Acute Care Hospitals | |
| UNIVERSITY OF MD SHORE MEDICAL CENTER AT EASTON | 219 SOUTH WASHINGTON STREET EASTON, MD 21601 | (410) 822-1000 | Acute Care Hospitals | |
| UNIVERSITY OF MD MEDICAL CENTER MIDTOWN CAMPUS | 827 LINDEN AVENUE BALTIMORE, MD 21201 | (410) 225-8996 | Acute Care Hospitals | |
| UNIVERSITY OF MD BALTIMORE WASHINGTON MEDICAL CENTER | 301 HOSPITAL DRIVE GLEN BURNIE, MD 21061 | (410) 595-1967 | Acute Care Hospitals | |
| UMD UPPER CHESAPEAKE MEDICAL CENTER | 500 UPPER CHESAPEAKE DRIVE BEL AIR, MD 21014 | (443) 643-3303 | Acute Care Hospitals |
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1184883217, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1184883217, enumerated as an "individual" on June 04, 2008.
The provider is located at 22 S GREENE ST BALTIMORE, MD 21201 and the phone number is (410) 328-7877.
Internal Medicine with taxonomy code 207RI0011X and a focus in Interventional Cardiology.
Diljon Chahal is affiliated with: UNIVERSITY OF MARYLAND MEDICAL CENTER, UNIVERSITY OF MD SHORE MEDICAL CENTER AT EASTON, UNIVERSITY OF MD MEDICAL CENTER MIDTOWN CAMPUS, UNIVERSITY OF MD BALTIMORE WASHINGTON MEDICAL CENTER and UMD UPPER CHESAPEAKE MEDICAL CENTER.