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

Ashan Manohar, MD

Individual provider Gastroenterology Physician · NPI 1295725836

Ashan Manohar, MD practises Gastroenterology in Onancock, Virginia. Qualified in 1987, 39 years ago. Practices with Riverside Physician Services Inc, a 793-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Connecticut and Virginia.

Years since qualifying
39
Licensed in
CT, VA
In the registry since
2005
Specialties on file
2
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

20486 Market St
Onancock, VA 23417
Phone: (757) 302-2700
Fax: (757) 787-9262
Show map & directions

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

Additional practice locations (1)

  • 1925 Glenn Mitchell Dr, Virginia Beach, VA 23456-0170 — (757) 464-1644

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 0101058609 (VA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 037701 (CT)

Record details

NPI number1295725836
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2005
Last updated in NPPESMarch 23, 2020
Certification dateMarch 23, 2020

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Riverside Physician Services Inc — 793 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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.

Colonoscopy 112 times · 82nd percentile
Upper gastrointestinal (GI) endoscopy for acid reflux 130 times · 82nd 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 patients414
Services billed 740 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

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.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Riverside Shore Memorial Hospital Hospital · Onancock, VA

Colleagues at Riverside Physician Services Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 793 clinicians in the practice; 12 are shown here.