Rachel Fetner, M.D.
NPI 1437184850 · Endocrinology, Diabetes & Metabolism Physician · Great Neck, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Fetner, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Great Neck, NY (NPI 1437184850).
Provider details
- NPI number
- 1437184850
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 223909 (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
4,892 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 | 2,242 | $88 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 646 | $56 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 439 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 411 | $9 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 377 | $94 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 223 | 75 |
| Metformin Hcl | 156 | 51 |
| Levothyroxine Sodiumbrand: Synthroid | 128 | 41 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 90 | 27 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 86 | 36 |
| Tirzepatidebrand: Mounjaro | 85 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,519 across 76 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
- 2006-07-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Rachel Fetner's NPI number?
- Rachel Fetner's National Provider Identifier (NPI) is 1437184850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Fetner's specialty?
- Rachel Fetner is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Rachel Fetner located?
- Rachel Fetner's practice location on file with NPPES is 29 Barstow Rd, Great Neck, NY 11021-2209.
- What is Rachel Fetner's phone number?
- The practice phone number listed in the NPPES registry for Rachel Fetner is (516) 482-0347.
- Does Rachel Fetner accept Medicare?
- Rachel Fetner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Fetner's NPI active?
- Yes — Rachel Fetner's NPI (1437184850) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.