Inessa Khaykis, M.D.
NPI 1821204686 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Inessa Khaykis, M.D. is a Internal Medicine Physician provider in New York, NY (NPI 1821204686).
Provider details
- NPI number
- 1821204686
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 223780 (NY)
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
19 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
1,986 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) |
|---|---|---|
| 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 | 446 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 303 | $149 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 275 | $107 |
| Online Digital Evaluation and Management Service for an Established Patient for Up to 7 Days, Total Time 5-10 Minutes99421 | 237 | $17 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 195 | $105 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 287 | 104 |
| Famotidine | 121 | 32 |
| Omeprazole | 106 | 43 |
| Linaclotidebrand: Linzess | 82 | 15 |
| Lipase/Protease/Amylasebrand: Creon | 75 | 14 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 74 | 18 |
| Rifaximinbrand: Xifaxan | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,196 across 110 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
- 2007-05-15
- Last updated
- 2010-03-01
Frequently asked questions
- What is Inessa Khaykis's NPI number?
- Inessa Khaykis's National Provider Identifier (NPI) is 1821204686, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Inessa Khaykis's specialty?
- Inessa Khaykis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Inessa Khaykis located?
- Inessa Khaykis's practice location on file with NPPES is 232 E 30th St, New York, NY 10016-8202.
- What is Inessa Khaykis's phone number?
- The practice phone number listed in the NPPES registry for Inessa Khaykis is (212) 889-5544.
- Does Inessa Khaykis accept Medicare?
- Inessa Khaykis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Inessa Khaykis's NPI active?
- Yes — Inessa Khaykis's NPI (1821204686) is active in the NPPES registry as of the last update on 2010-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.