DR. JOHN F. MARRA M.D.
NPI 1437128592
Internal Medicine - Cardiovascular Disease in Baltimore, MD
NPI Status: Active since March 14, 2006
Contact Information
5601 LOCH RAVEN BLVD
RUSSELL MORGAN BLCD, SUITE 206
BALTIMORE, MD
ZIP 21239
Phone: (410) 464-5600
- Individual
- Male
- Internal Medicine
- Cardiovascular Disease
About JOHN MARRA
This page provides the complete NPI Profile along with additional information for John Marra, an internist established in Baltimore, Maryland with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1437128592 assigned on March 2006. The practitioner's primary taxonomy code is 207RC0000X with license number D25075 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1437128592
- Provider Name
- DR. JOHN F. MARRA M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5601 LOCH RAVEN BLVD RUSSELL MORGAN BLCD, SUITE 206 BALTIMORE, MD 21239
- Location Phone
- (410) 464-5600
- Mailing Address
- 5601 LOCH RAVEN BLVD RUSSELL MORGAN BLCD, SUITE 206 BALTIMORE, MD 21239
- Mailing Phone
- (410) 464-5600
- Mailing Fax
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-14-2006
- Last Update Date
- 07-08-2007
- Code Navigator
An internist like John Marra 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
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 Cardiovascular Disease
- Taxonomy Code
- 207RC0000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- D25075
- License State
- MD
- Taxonomy Description
- An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| C49036 | MEDICARE UPIN (02) | ||
| 089L 550V | MEDICARE ID-TYPE UNSPECIFIED (04) | MD |
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.
Established patient office or other outpatient visit, 30-39 minutes
Established patient office or other outpatient visit, 30-39 minutes
Established patient office or other outpatient visit, 40-54 minutes
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 70 minutes
New patient office or other outpatient visit, 45-59 minutes
New patient office or other outpatient visit, 45-59 minutes
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
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
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.
This service was performed 28 times for 25 patientsThis 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.
This service was performed 459 times for 378 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 142 times for 121 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 34 times for 29 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 194 times for 104 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 88 times for 86 patientsThis 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.
This service was performed 13 times for 13 patientsThis 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.
This service was performed 37 times for 37 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 630 times for 487 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 1,254 times for 935 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 21 times for 21 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 13 times for 13 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 87 times for 86 patientsReviews for DR. JOHN F. MARRA M.D.
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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 1437128592, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 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 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
BALTIMORE, MD 21239
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1437128592, enumerated as an "individual" on March 14, 2006.
The provider is located at 5601 LOCH RAVEN BLVD RUSSELL MORGAN BLCD, SUITE 206 BALTIMORE, MD 21239 and the phone number is (410) 464-5600.
Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
