ALEXANDER S. MARK M.D.
NPI 1770573388
Radiology - Diagnostic Radiology in Rockville, MD

Q: What is Alexander Mark's NPI number?

The NPI number for Alexander Mark is 1770573388. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Q: What is Alexander Mark's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Mark was last updated on March 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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 October 25, 2005PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

3202 TOWER OAKS BLVD, UNIT 120, ROCKVILLE, MD 20852(301) 657-2444(301) 657-2450 Get Directions Write a Review

NPPES record last updated: March 30, 2018. Verified against the NPPES registry weekly; last sync: October 04, 2026.

On this page

About Alexander S. Mark M.d. NPPES

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

ALEXANDER S. MARK M.D. (NPI 1770573388) is an individual diagnostic radiology provider in Rockville, Maryland, licensed in Maryland (D40414) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1770573388

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameALEXANDER S. MARKCredential: M.D.

Location Address3202 TOWER OAKS BLVD, UNIT 120Rockville, MD 20852-4219

Mailing AddressPo Box 1085Lima, OH 45802-1085 · (844) 466-5613 · Fax (419) 223-2726

Phone(301) 657-2444

Fax(301) 657-2450

Sole ProprietorYes

Medical School CMSOtherGraduated 1982

Enumeration DateOctober 25, 2005

Last NPPES UpdateMarch 30, 2018

✔ NPI 1770573388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in MD · D40414✔ Licensed in DE · C1-0008339✔ Licensed in DC · MD17472✔ Licensed in VA · 0101045431

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

3202 TOWER OAKS BLVD, Rockville, MD 20852

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alexander S. Mark M.d. 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 ID9234026618

PECOS Enrollment IDI20040301001001, I20050304000231

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.

Areas of Expertise CMS Part B claims 43

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.

Injection, gadoterate meglumine, 0.1 ml A9575

Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.

76,655 services463 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

5,607 services64 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

743 services609 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

692 services565 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

472 services380 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

453 services379 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

227 services165 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

189 services143 patients

Mri scan of brain without contrast 70551

159 services158 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

153 services120 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

149 services115 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

120 services106 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

118 services97 patients

Mri scan of blood vessels of neck without contrast 70547

An MRI scan of the neck's blood vessels without contrast is a non-invasive procedure that uses magnetic fields to create detailed images of your neck's blood vessels. It helps identify any abnormalities or blockages, aiding in accurate diagnosis and treatment planning.

82 services66 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

75 services69 patients

Mri scan of brain before and after contrast 70553

74 services70 patients

Mri scan of bone of eye socket, face, and/or neck before and after contrast 70543

An MRI scan of the eye socket, face, and/or neck uses magnetic fields to create detailed images of these areas. Contrast dye helps highlight specific tissues for clearer pictures. It's non-invasive, aids in detecting abnormalities, and guides treatment plans.

69 services58 patients

Mri scan of lower spinal canal without contrast 72148

69 services69 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

60 services53 patients

Ct scan of arm without contrast 73200

A CT scan of the arm without contrast is a non-invasive imaging test. It uses X-ray technology to capture detailed images of your arm's structures. It doesn't involve any contrasting dye, hence, minimal preparation is required. It helps in diagnosing injuries or conditions affecting the arm.

59 services50 patients

Mri scan of upper spinal canal before and after contrast 72156

An MRI scan of the upper spinal canal before and after contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. Contrast dye is injected to enhance these images, providing clearer visuals for accurate diagnosis.

44 services41 patients

Mri scan of blood vessels of head without contrast 70544

42 services42 patients

Mri scan of leg without contrast 73718

An MRI scan of the leg without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the structures in your leg, such as bones, muscles, and blood vessels. No contrast dye is used.

39 services27 patients

Mri scan of upper spinal canal without contrast 72141

38 services38 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

37 services28 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

34 services29 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

34 services29 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

27 services23 patients

Mri scan of blood vessels of neck without contrast 70547

27 services27 patients

Mri scan of pelvis without contrast 72195

An MRI scan of the pelvis without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of the lower part of your body. This helps doctors to identify any abnormalities or issues in that area.

26 services20 patients

Mri scan of middle spinal canal without contrast 72146

25 services25 patients

Mri scan of middle spinal canal before and after contrast 72157

An MRI scan of the middle spinal canal with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your spine, both before and after a contrast dye is injected. The dye helps to highlight certain structures, providing a clearer picture for diagnosis.

25 services22 patients

Mri scan of arm joint without contrast 73221

23 services21 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

22 services21 patients

Mri scan of arm without contrast 73218

An MRI scan of the arm without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of the structures within your arm. This procedure helps in diagnosing injuries or diseases affecting muscles, bones, and joints.

22 services20 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

21 services17 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

20 services15 patients

Ct scan of cranial cavity without contrast 70480

A CT scan of the cranial cavity without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed images of your head, specifically the brain area. This can help detect conditions like tumors, infections, or injuries. No dye (contrast) is used in this procedure.

19 services17 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

19 services16 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

19 services19 patients

Mri scan of leg joint without contrast 73721

18 services16 patients

Mri scan of lower spinal canal before and after contrast 72158

14 services14 patients

Review by radiologist of ct guidance for needle placement 77012

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210015

Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County

Emergency services Birthing friendly

Medstar Saint Mary's Hospital

Acute Care Hospitals · Leonardtown, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210028

Location25500 Point Lookout RoadLeonardtown, MD 20650 · St. Marys County

Emergency services Birthing friendly

Medstar Harbor Hospital

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210034

Location3001 South Hanover StreetBaltimore, MD 21225 · Baltimore City County

Birthing friendly

Medstar Good Samaritan Hospital

Acute Care Hospitals · Baltimore, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number210056

Location5601 Loch Raven BoulevardBaltimore, MD 21239 · Baltimore City County

Emergency services

Medstar Southern Maryland Hospital Center

Acute Care Hospitals · Clinton, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210062

Location7503 Surratts RoadClinton, MD 20735 · Prince Georges County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20852 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

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.

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.

75/100

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

Individually scored

Other Providers at the Same Location NPPES 15

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

MONTGOMERY WOMEN'S MEDICAL CENTER, P.C.

Obstetrics & Gynecology (Reproductive Endocrinology)

3202 TOWER OAKS BLVD, SUITE # 370
ROCKVILLE, MD 20852

Montgomery County (301) 946-6962

METAMORPHOSIS COUNSELING, LLC

Community/Behavioral Health

3202 TOWER OAKS BLVD, SUITE 202
ROCKVILLE, MD 20852

Montgomery County (240) 498-9282

KELLI E CARTER LGPC

Counselor (Mental Health)

3202 TOWER OAKS BLVD, SUITE 260
ROCKVILLE, MD 20852

Montgomery County (240) 449-4131

NEUROSCIENTIFIC INSIGHTS

Psychologist

3202 TOWER OAKS BLVD, SUITE 100
ROCKVILLE, MD 20852

Montgomery County (301) 468-1001

DR. CHINH N LE DPT

Physical Therapist

3202 TOWER OAKS BLVD, SUITE 280
ROCKVILLE, MD 20852

Montgomery County (301) 231-7800

BETHESDA NEUROLOGY, LLC

Psychiatry & Neurology (Neurology)

3202 TOWER OAKS BLVD, SUITE 330
N BETHESDA, MD 20852

Montgomery County (301) 540-2700

BETHESDA MRI LLC

Radiology (Diagnostic Radiology)

3202 TOWER OAKS BLVD, SUITE 120
ROCKVILLE, MD 20852

Montgomery County (301) 657-2444

ROCKVILLE PHYSICAL THERAPY

Physical Therapist

3202 TOWER OAKS BLVD, SUITE 280
ROCKVILLE, MD 20852

Montgomery County (301) 231-7800

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 Alexander Mark's NPI number?

The NPI number for Alexander Mark is 1770573388. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Alexander Mark located?

Alexander Mark practices at 3202 Tower Oaks Blvd Unit 120, Rockville, MD 20852. The listed phone number is (301) 657-2444.

What is Alexander Mark's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Alexander Mark enrolled in Medicare?

Yes. Alexander Mark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Alexander Mark affiliated with any hospitals?

According to CMS data, Alexander Mark is affiliated with Medstar Franklin Square Medical Center, Medstar Saint Mary's Hospital, Medstar Harbor Hospital, Medstar Good Samaritan Hospital and Medstar Southern Maryland Hospital Center.

When was this NPI record last updated?

The NPPES record for Alexander Mark was last updated on March 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.