Jeffrey Klingenstein, MD
NPI 1215948310 · Gastroenterology Physician · Astoria, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Klingenstein, MD is a Gastroenterology Physician provider in Astoria, NY (NPI 1215948310).
Provider details
- NPI number
- 1215948310
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 134287 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
555 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 | 189 | $144 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 96 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $102 |
| Administration of Influenza Virus VaccineG0008 | 48 | $34 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 41 | $187 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 254 | 76 |
| Atorvastatin Calcium | 179 | 45 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 131 | 127 |
| Amlodipine Besylate | 123 | 36 |
| Rosuvastatin Calcium | 91 | 29 |
| Linaclotidebrand: Linzess | 86 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$955 across 51 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
- 2006-08-11
- Last updated
- 2019-08-26
Frequently asked questions
- What is Jeffrey Klingenstein's NPI number?
- Jeffrey Klingenstein's National Provider Identifier (NPI) is 1215948310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Klingenstein's specialty?
- Jeffrey Klingenstein is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Klingenstein located?
- Jeffrey Klingenstein's practice location on file with NPPES is 2325 31st St Ste 500, Astoria, NY 11105-2299.
- What is Jeffrey Klingenstein's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Klingenstein is (718) 626-2337.
- Does Jeffrey Klingenstein accept Medicare?
- Jeffrey Klingenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Klingenstein's NPI active?
- Yes — Jeffrey Klingenstein's NPI (1215948310) is active in the NPPES registry as of the last update on 2019-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.