Vijaykumar Karumbunathan, MD
NPI 1174589386 · Internal Medicine Physician · Crisfield, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vijaykumar Karumbunathan, MD is a Internal Medicine Physician provider in Crisfield, MD (NPI 1174589386).
Provider details
- NPI number
- 1174589386
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D48098 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,644 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 643 | $73 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 472 | $106 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 340 | $16 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 339 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 236 | $129 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 245 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,366 | 274 |
| Apixabanbrand: Eliquis | 854 | 87 |
| Amlodipine Besylate | 817 | 170 |
| Losartan Potassium | 739 | 171 |
| Levothyroxine Sodium | 715 | 106 |
| Pantoprazole Sodium | 697 | 153 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$782 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2008-06-19
Frequently asked questions
- What is Vijaykumar Karumbunathan's NPI number?
- Vijaykumar Karumbunathan's National Provider Identifier (NPI) is 1174589386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vijaykumar Karumbunathan's specialty?
- Vijaykumar Karumbunathan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vijaykumar Karumbunathan located?
- Vijaykumar Karumbunathan's practice location on file with NPPES is 201 Hall Highway, Crisfield, MD 21817.
- What is Vijaykumar Karumbunathan's phone number?
- The practice phone number listed in the NPPES registry for Vijaykumar Karumbunathan is (410) 968-1200.
- Does Vijaykumar Karumbunathan accept Medicare?
- Vijaykumar Karumbunathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vijaykumar Karumbunathan's NPI active?
- Yes — Vijaykumar Karumbunathan's NPI (1174589386) is active in the NPPES registry as of the last update on 2008-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.