Heather Klavan, M.D.
NPI 1619243599 · Gastroenterology Physician · New York, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Klavan, M.D. is a Gastroenterology Physician provider in New York, NY (NPI 1619243599).
Provider details
- NPI number
- 1619243599
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 292716-1 (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
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
616 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 158 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 101 | $143 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 95 | $141 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 66 | $183 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 55 | $136 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 92 | 48 |
| Famotidine | 80 | 38 |
| Pantoprazole Sodium | 73 | 43 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 58 | 58 |
| Esomeprazole Magnesium | 38 | 15 |
| Dicyclomine Hcl | 17 | 13 |
| Nadolol | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,477 across 79 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
Additional practice locations (1)
- 330 Cedar StNew Haven, CT 06510-3218Phone: (203) 688-2984Fax: (203) 688-4092
Registry dates
- Enumerated
- 2012-03-26
- Last updated
- 2018-07-09
Frequently asked questions
- What is Heather Klavan's NPI number?
- Heather Klavan's National Provider Identifier (NPI) is 1619243599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Klavan's specialty?
- Heather Klavan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Klavan located?
- Heather Klavan's practice location on file with NPPES is 232 E 30th St, New York, NY 10016.
- What is Heather Klavan's phone number?
- The practice phone number listed in the NPPES registry for Heather Klavan is (212) 889-5544.
- Does Heather Klavan accept Medicare?
- Heather Klavan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Klavan's NPI active?
- Yes — Heather Klavan's NPI (1619243599) is active in the NPPES registry as of the last update on 2018-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.