Quick answers
- Does Zaifi Shanavas accept Medicare assignment?
- Yes. Medicare's clinician data says Zaifi Shanavas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zaifi Shanavas see?
- In 2024, CMS data shows 464 Original Medicare patients and 5,103 services for Zaifi Shanavas. This counts Original Medicare only and measures volume, not quality.
- What is Zaifi Shanavas's NPI number?
- 1518054519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zaifi Shanavas, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 464 |
|---|---|
| Services billed to Medicare | 5,103 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, vedolizumab, intravenous, 1 mg (J3380)4,200 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)146 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)129 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)125 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)92 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure68%
- Arthritis41%
- Diabetes27%
- Ischemic heart disease22%
- Anxiety21%
Hospitals where Zaifi Shanavas works
Medicare's Facility Affiliation Data lists Zaifi Shanavas at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210057
- MedStar Montgomery Medical CenterOlney, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210018
Practice locations
Addresses where Zaifi Shanavas is enrolled with Medicare (CMS data updated October 2, 2026).
- 14955 Shady Grove Rd, Suite 150Rockville, MD 20850 (301) 340‑3252
- 18101 Prince Philip DrOlney, MD 20832 (301) 774‑8882
- 2021 K St NW, Suite T 110 Metroploitan GastroenterologyWashington, DC 20061 (202) 296‑3449
- 20528 Boland Farm Rd, Suite 201Germantown, MD 20876 (301) 593‑2002
- 3410 Olandwood Ct, Suite 206Olney, MD 20832 (301) 593‑2002
Group practices
Medicare enrollment lists Zaifi Shanavas as a member of this group (CMS data updated October 2, 2026).
- Capital Digestive Care LLC241 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Other clinicians in Capital Digestive Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Drexel University College Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518054519 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians