MARK GLASS-ROYAL M.D.
NPI 1255361887
Radiology - Diagnostic Radiology in Frederick, MD

Q: What is Mark Glass-royal's NPI number?

The NPI number for Mark Glass-royal is 1255361887. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Q: What is Mark Glass-royal'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 Mark Glass-royal was last updated on May 27, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 July 03, 2006PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

400 W 7TH ST, FREDERICK, MD 21701(240) 566-1720 Get Directions Write a Review

NPPES record last updated: May 27, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Mark Glass-royal M.d. NPPES

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

MARK GLASS-ROYAL M.D. (NPI 1255361887) is an individual diagnostic radiology provider in Frederick, Maryland, licensed in Maryland (D39842) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1984).

NPPES Registry Identity

NPI1255361887

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameMARK GLASS-ROYALCredential: M.D.

Location Address400 W 7TH STFrederick, MD 21701-4506

Mailing AddressPo Box 1966Frederick, MD 21702-0966 · (301) 663-1277

Phone(240) 566-1720

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1984

Enumeration DateJuly 3, 2006

Last NPPES UpdateMay 27, 2009

✔ NPI 1255361887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in MD · D39842

Definition

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

400 W 7TH ST, Frederick, MD 21701

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Other Identifiers 3

Medicare UPINE36290

Medicare PINH534X310MD

Other300020369MD · Railroad Medicare

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

Mark Glass-royal 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 ID5092907485

PECOS Enrollment IDI20220321001230, I20220503002331

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 30

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.

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.

6,853 services60 patients

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.

2,780 services21 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

485 services428 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

206 services189 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

155 services142 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

153 services136 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

149 services136 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.

136 services135 patients

Ct scan of heart with evaluation of blood vessel calcium 75571

A CT scan of the heart with evaluation of blood vessel calcium is a non-invasive test that uses X-rays to create detailed images of your heart. It helps in detecting and measuring calcium-containing plaque in the arteries, which can indicate heart disease.

117 services117 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

102 services87 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.

72 services70 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

72 services65 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

55 services46 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.

50 services50 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

44 services41 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

43 services39 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.

42 services38 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

40 services36 patients

Limited ultrasound scan of pelvis 76857

A limited ultrasound scan of the pelvis is a non-invasive imaging test. It uses high-frequency sound waves to create pictures of the lower abdomen area. This helps doctors view and assess the health of certain internal structures. It's painless and usually takes about 30 minutes.

37 services29 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

25 services23 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

25 services25 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

25 services22 patients

Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment 77085

A DXA bone density measurement is a non-invasive scan that helps assess the strength of your bones, specifically in the hip, pelvis, and spine areas. It can detect early signs of osteoporosis and evaluate fracture risk. This test uses low-dose X-rays for accurate results.

19 services18 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth 10005

Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.

18 services18 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.

15 services15 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.

14 services14 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.

14 services12 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

14 services11 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

13 services13 patients

Ultrasound scan of abdominal aorta 76706

An ultrasound scan of the abdominal aorta is a non-invasive imaging test. It uses sound waves to create pictures of the main blood vessel in your abdomen, the aorta, to check its size and shape. This helps detect any abnormalities or issues early.

13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21701 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

$89.75 typical visit price

range $57.99 – $175.57

Typical copayment $22.43 (range $14.49 – $43.89)

Most-billed visit code 99203

Established Patient

$72.23 typical visit price

range $18.66 – $143.02

Typical copayment $18.05 (range $4.66 – $35.75)

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

Scored as part of a group practice

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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.

MS. LINDA B PRUCE SLP

Speech-Language Pathologist

400 W 7TH ST
FREDERICK, MD 21701

Frederick County (240) 566-3337

LORI SUSAN SPERLING D.P.T.

Physical Therapist

400 W 7TH ST
FREDERICK, MD 21701

Frederick County (800) 603-6046

ROY DEGRANGE JR.

Nurse Anesthetist, Certified Registered

400 W 7TH ST
FREDERICK, MD 21701

Frederick County (250) 566-3300

DR. BHARTI RAZDAN M.D.

Pediatrics (Neonatal-Perinatal Medicine)

400 W 7TH ST, NICU, FREDERICK MEMORIAL HOSPITAL
FREDERICK, MD 21701

Frederick County (240) 566-3582

PATRICIA M MAUNDU PHARM.D.

Pharmacist

400 W 7TH ST
FREDERICK, MD 21701

Frederick County (240) 566-3393

HOSPITALIST MEDICINE PHYSICIANS OF MARYLAND-FREDERICK PC

Internal Medicine

400 W 7TH ST
FREDERICK, MD 21701

Frederick County (615) 577-6366

FREDERICK HEALTH MEDICAL GROUP LLC

Family Medicine

400 W 7TH ST
FREDERICK, MD 21701

Frederick County (240) 215-6310

MRS. AMY JEANNE MCGREEVY RN, MS, CRNP, OCN

Nurse Practitioner (Acute Care)

400 W 7TH ST
FREDERICK, MD 21701

Frederick County (240) 566-3031

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 Mark Glass-royal's NPI number?

The NPI number for Mark Glass-royal is 1255361887. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Mark Glass-royal located?

Mark Glass-royal practices at 400 W 7th St, Frederick, MD 21701. The listed phone number is (240) 566-1720.

What is Mark Glass-royal's specialty?

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

Is Mark Glass-royal enrolled in Medicare?

Yes. Mark Glass-royal 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.

When was this NPI record last updated?

The NPPES record for Mark Glass-royal was last updated on May 27, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.