Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Attan Kasid, MD

Individual provider Internal Medicine Physician · NPI 1740362599

Attan Kasid, MD practises Internal Medicine in Gaithersburg, Maryland. Graduated from Georgetown University School of Medicine in 1996, 30 years ago. Practices with Professional Services of Holy Cross, a 159-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
30
Trained at
Georgetown University School of Medicine
Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

604 S Frederick Ave Ste 409
Gaithersburg, MD 20877-1284 Not confirmed with CMS for 18 years — call before visiting
Phone: (301) 990-8800
Fax: (301) 990-0032
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D55054 (MD)

Record details

NPI number1740362599
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 20, 2006
Last updated in NPPESSeptember 10, 2008

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Professional Services Of Holy Cross — 159 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients164
Services billed 855 a service is one billed item, such as a visit, a test or a procedure
Average patient age83

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $143 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Adventist Home Health Services, Inc. Home health agency · Silver Spring, MD · listed as Adventist Home Health Services Inc
  • Holy Cross Home Care And Hospice Home health agency · Silver Spring, MD
  • Interim Home Health Home health agency · Gaithersburg, MD
  • Wilson Health Care Center Nursing home · Gaithersburg, MD

Colleagues at Professional Services of Holy Cross

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 159 clinicians in the practice; 12 are shown here.

Other providers in Gaithersburg