Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Fred Mo, MD

Individual provider Orthopaedic Surgery of the Spine Physician · NPI 1003098351

Fred Mo, MD practises Orthopedic Surgery in Washington, District of Columbia. Graduated from Tufts University School of Medicine in 2005, 21 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia, New York and Virginia.

Years since qualifying
21
Trained at
Tufts University School of Medicine
Licensed in
DC, NY, VA
In the registry since
2007
Specialties on file
3
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

3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone: (202) 444-8766
Fax: (202) 444-1655
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery of the Spine Physician (primary) Taxonomy 207XS0117X · Licence 0101251301 (VA)
Orthopaedic Surgery of the Spine Physician Taxonomy 207XS0117X · Licence 255689 (NY)
Orthopaedic Surgery of the Spine Physician Taxonomy 207XS0117X · Licence MD042613 (DC)

Record details

NPI number1003098351
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 28, 2007
Last updated in NPPESJanuary 9, 2023
Certification dateJanuary 9, 2023

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Laminectomy or laminotomy (partial removal of spine bones) 165 times · 98th percentile
Spinal fusion 481 times · 98th percentile

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

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 patients424
Services billed 1,555 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

Consulting Fee $34,525 7 payments
Royalty or License $22,499 4 payments · paid for the use of something the clinician owns or invented, such as a patent; not a fee for care or for time
Food and Beverage $5,669 60 payments · a meal or drink at a meeting or visit, not a fee
Travel and Lodging $678 2 payments · travel or lodging paid or reimbursed, such as to attend a conference

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.

Colleagues at Medstar Medical Group II LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 3717 clinicians in the practice; 12 are shown here.

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