Mark Sheynshteyn, D.O
NPI 1447517883 · Endocrinology, Diabetes & Metabolism Physician · Staten Island, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Sheynshteyn, D.O is a Endocrinology, Diabetes & Metabolism Physician provider in Staten Island, NY (NPI 1447517883).
Provider details
- NPI number
- 1447517883
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 77673 (GA)
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
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
772 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 | 312 | $150 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 227 | $106 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 52 | $40 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $215 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 33 | $104 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 317 | 103 |
| Metformin Hcl | 300 | 82 |
| Metformin Hclbrand: Metformin Hcl Er | 234 | 75 |
| Glipizidebrand: Glipizide Er | 229 | 62 |
| Dapagliflozin Propanediolbrand: Farxiga | 217 | 62 |
| Semaglutidebrand: Ozempic | 167 | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,616 across 100 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)
- 2069 85th St Apt 5aBrooklyn, NY 11214-3230Phone: (347) 615-6331
Registry dates
- Enumerated
- 2012-04-23
- Last updated
- 2021-01-27
- Certified
- 2021-01-27
Frequently asked questions
- What is Mark Sheynshteyn's NPI number?
- Mark Sheynshteyn's National Provider Identifier (NPI) is 1447517883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sheynshteyn's specialty?
- Mark Sheynshteyn is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sheynshteyn located?
- Mark Sheynshteyn's practice location on file with NPPES is 1366 Victory Blvd Ste a, Staten Island, NY 10301-3948.
- What is Mark Sheynshteyn's phone number?
- The practice phone number listed in the NPPES registry for Mark Sheynshteyn is (718) 727-1366.
- Does Mark Sheynshteyn accept Medicare?
- Mark Sheynshteyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Sheynshteyn's NPI active?
- Yes — Mark Sheynshteyn's NPI (1447517883) is active in the NPPES registry as of the last update on 2021-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.