Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ALAN H OST MD
NPI 1144210758
Radiology - Diagnostic Radiology in Washington, DC

Q: What is Alan Ost's NPI number?

The NPI number for Alan Ost is 1144210758. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Q: What is Alan Ost'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 Alan Ost was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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 Enrolled

77.5/100

CMS Quality Rating

110 IRVING ST NW, WASHINGTON, DC 20010(202) 877-6429(202) 877-8626 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Alan H Ost Md NPPES

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

ALAN H OST MD (NPI 1144210758) is an individual diagnostic radiology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD20645) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Medstar Saint Mary's Hospital, and is a graduate of Virginia Commonwealth University, School Of Medicine (1987).

NPPES Registry Identity

NPI1144210758

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameALAN H OSTCredential: MD

Location Address110 IRVING ST NWWashington, DC 20010-2976

Mailing Address1201 Seven Locks Rd, Suite 200Rockville, MD 20854-2931 · (301) 652-5771 · Fax (301) 652-6332

Phone(202) 877-6429

Fax(202) 877-8626

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1987

Enumeration DateOctober 25, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1144210758 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 DC · MD20645

Definition

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

110 IRVING ST NW, Washington, DC 20010

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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

Alan H Ost Md 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 ID8921000142

PECOS Enrollment IDI20070131000688, I20110912000114

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 26

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.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

224 services199 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

172 services172 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

172 services172 patients

Screening mammography 77067

163 services163 patients

Screening 3d breast mammography 77063

143 services143 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.

115 services115 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

66 services60 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

66 services66 patients

Dxa bone density measurement of hip, pelvis, spine 77080

60 services59 patients

Single contrast x-ray of upper digestive tract 74240

A single contrast x-ray of the upper digestive tract is a diagnostic procedure that uses a special dye and x-rays to see how your digestive system is functioning. It helps in detecting abnormalities or diseases in your esophagus, stomach, and the first part of your small intestine.

57 services56 patients

Imaging for evaluation of swallowing function 74230

This process, known as a swallowing study, uses imaging technology to view how food and liquid move from your mouth to your stomach. It helps identify any issues you may have swallowing, which can be crucial for determining the best treatment plan.

53 services52 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

48 services48 patients

Biopsy of breast and placement of locating device using ultrasound, first growth 19083

A breast biopsy with locating device placement involves taking a small sample from an unusual growth, using ultrasound for precise targeting. This sample is studied for any abnormal cells. A locating device is also placed to mark the area for future reference.

37 services36 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

32 services32 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.

30 services27 patients

X-ray of chest, 2 views 71046

21 services21 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.

19 services19 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

19 services19 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

17 services17 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

16 services16 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

15 services14 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

14 services13 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 services14 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

12 services12 patients

Diagnostic mammography of both breasts 77066

12 services12 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20010 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.

77.5/100

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

Scored as part of a group practice

Quality

53.38

Promoting Interoperability

Improvement Activities

Cost

74.97

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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. JANET E JUMPER N.P.

Nurse Practitioner (Acute Care)

110 IRVING ST NW, 4B42
WASHINGTON, DC 20010

District of Columbia (202) 877-7462

EMILY JEAN SIEGEL MD

Student in an Organized Health Care Education/Training Program

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-8080

KIMBERLY SMITH

Radiology (Diagnostic Radiology)

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (301) 902-1073

MISS ORE-OLUWA ODULANA LIMA DA SILVA CRNA

Nurse Anesthetist, Certified Registered

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-7504

DR. FAY HORNG M.D.

Anesthesiology

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-7504

DR. MICHAEL B SHVARTS MD

Radiology (Diagnostic Radiology)

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-7000

DR. SCOTT THOMAS MARTYNA D.M.D.

Student in an Organized Health Care Education/Training Program

110 IRVING ST NW, DEPT. OF ORAL AND MAXILLOFACIAL SURGERY
WASHINGTON, DC 20010

District of Columbia (202) 877-7332

MS. NOOR-UL-HUDA AMER MEHDI M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-7000

ALEXANDRA MEGAN FINE CAA

Anesthesiologist Assistant

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-7000

SAROJ KANDEL MD

Hospitalist

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-8278

BRITTANY OLIVER

Dermatology

110 IRVING ST NW, DEPT OF INTERNAL MEDICINE
WASHINGTON, DC 20010

District of Columbia (202) 877-8278

DR. MATTHEW MUELLER DO, MPH

Anesthesiology (Critical Care Medicine)

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-7000

ALEXA ARAMINI

Anesthesiologist Assistant

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-3303

REA PAVATE

Student in an Organized Health Care Education/Training Program

110 IRVING ST NW, DEPT OF INTERNAL MEDICINE
WASHINGTON, DC 20010

District of Columbia (202) 877-8278

CLAIRE ELIZABETH PORTER PHYSICIAN ASSISTANT

Physician Assistant (Medical)

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-7259

LUCAS MICHAEL DJAVAHERIAN

Student in an Organized Health Care Education/Training Program

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-3536

CRYSTAL JANELLE JOHNSON MD

Student in an Organized Health Care Education/Training Program

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-8035

DR. JESSICA FINE MD

Student in an Organized Health Care Education/Training Program

110 IRVING ST NW, DEPT OF OB/GYN
WASHINGTON, DC 20010

District of Columbia (202) 877-8035

DANA BADDOURAH MD

Student in an Organized Health Care Education/Training Program

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-8271

LAUREN LANGMAN

Student in an Organized Health Care Education/Training Program

110 IRVING ST NW
WASHINGTON, DC 20010

District of Columbia (202) 877-6732

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 Alan Ost's NPI number?

The NPI number for Alan Ost is 1144210758. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Alan Ost located?

Alan Ost practices at 110 Irving St NW, Washington, DC 20010. The listed phone number is (202) 877-6429.

What is Alan Ost's specialty?

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

Is Alan Ost enrolled in Medicare?

Yes. Alan Ost 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 Alan Ost affiliated with any hospitals?

According to CMS data, Alan Ost is affiliated with Medstar Saint Mary's Hospital.

When was this NPI record last updated?

The NPPES record for Alan Ost was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.