Sidney Olefson
NPI 1457798506 · Gastroenterology Physician · Burnt Hills, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sidney Olefson is a Gastroenterology Physician provider in Burnt Hills, NY (NPI 1457798506).
Provider details
- NPI number
- 1457798506
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 56817 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
549 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 66 | $92 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 56 | $451 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 53 | $311 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $130 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 41 | $9 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 138 | 55 |
| Linaclotidebrand: Linzess | 60 | 29 |
| Pantoprazole Sodium | 56 | 16 |
| Esomeprazole Magnesium | 20 | — |
| Nadolol | 17 | — |
| Spironolactone | 16 | — |
| Mesalaminebrand: Mesalamine Dr | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,922 across 40 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 (2)
- 1770 Route 9Halfmoon, NY 12065-2495Phone: (518) 831-1500Fax: (518) 377-1677
- 1 West Ave Ste 130Saratoga Springs, NY 12866-6050Phone: (518) 831-1500Fax: (518) 377-1677
Registry dates
- Enumerated
- 2013-05-30
- Last updated
- 2025-02-03
- Certified
- 2025-02-03
Frequently asked questions
- What is Sidney Olefson's NPI number?
- Sidney Olefson's National Provider Identifier (NPI) is 1457798506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sidney Olefson's specialty?
- Sidney Olefson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Sidney Olefson located?
- Sidney Olefson's practice location on file with NPPES is 848 State Route 50, Burnt Hills, NY 12027-9511.
- What is Sidney Olefson's phone number?
- The practice phone number listed in the NPPES registry for Sidney Olefson is (518) 831-1500.
- Does Sidney Olefson accept Medicare?
- Sidney Olefson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sidney Olefson's NPI active?
- Yes — Sidney Olefson's NPI (1457798506) is active in the NPPES registry as of the last update on 2025-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.