DR. SIDNEY OLEFSON
NPI 1457798506
Internal Medicine - Gastroenterology in Burnt Hills, NY

Q: What is Sidney Olefson's NPI number?

The NPI number for Sidney Olefson is 1457798506. It was assigned to this individual provider in the NPPES registry on May 30, 2013.

Q: What is Sidney Olefson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Sidney Olefson was last updated on February 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 30, 2013PECOS EnrolledAccepts Medicare Assignment

848 STATE ROUTE 50, BURNT HILLS, NY 12027(518) 831-1500(518) 377-1677 Get Directions Write a Review

NPPES record last updated: February 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 3, 2025, Oct 6, 2020, Mar 17, 2018 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Sidney Olefson NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SIDNEY OLEFSON (NPI 1457798506) is an individual gastroenterology provider in Burnt Hills, New York, licensed in Massachusetts (278384) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Saint Anne's Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1457798506

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. SIDNEY OLEFSON

Location Address848 STATE ROUTE 50Burnt Hills, NY 12027-9511

Mailing Address848 State Route 50Burnt Hills, NY 12027-9511 · (518) 831-1500 · Fax (518) 377-1677

Phone(518) 831-1500

Fax(518) 377-1677

Sole ProprietorNo

Medical School CMSAlbany Medical College Of Union UniversityGraduated 2013

Enumeration DateMay 30, 2013

Last NPPES UpdateFebruary 3, 20256 updates tracked since enumeration

NPPES CertifiedFebruary 3, 2025

✔ NPI 1457798506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MA · 278384

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 56817 (CT)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 56817 (CT)

848 STATE ROUTE 50, Burnt Hills, NY 12027

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Secondary Practice Locations 2

Location 11770 Route 9Halfmoon, NY 12065-2495 · Phone (518) 831-1500 · Fax (518) 377-1677

Location 21 West Ave Ste 130Saratoga Springs, NY 12866-6050 · Phone (518) 831-1500 · Fax (518) 377-1677

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sidney Olefson is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597982330

PECOS Enrollment IDI20190715002641, I20241212001930

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

66 services57 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

56 services54 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

53 services48 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

47 services41 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

41 services31 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

37 services33 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

32 services31 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

31 services31 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

26 services25 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

22 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

20 services20 patients

Biopsy of large bowel using a flexible endoscope 45380

16 services16 patients

Bilirubin level, direct 82248

A direct bilirubin test measures a form of bilirubin in your blood. Bilirubin is a substance produced during the normal breakdown of red blood cells. High levels may indicate liver or blood disorders. This test helps diagnose and monitor these conditions.

15 services14 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

15 services13 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

14 services11 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

13 services12 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

12 services11 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

11 services11 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

11 services11 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Anne's Hospital

Acute Care Hospitals · Fall River, MA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number220020

Location795 Middle StreetFall River, MA 02721 · Bristol County

Emergency services

Albany Medical Center Hospital

Acute Care Hospitals · Albany, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330013

Location43 New Scotland Avenue, Mail Code 34Albany, NY 12208 · Albany County

Emergency services Birthing friendly

Ellis Hospital

Acute Care Hospitals · Schenectady, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330153

Location1101 Nott StreetSchenectady, NY 12308 · Schenectady County

Emergency services Birthing friendly

Glens Falls Hospital

Acute Care Hospitals · Glens Falls, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330191

Location100 Park StreetGlens Falls, NY 12801 · Warren County

Emergency services Birthing friendly

Saratoga Hospital

Acute Care Hospitals · Saratoga Springs, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330222

Location211 Church StreetSaratoga Springs, NY 12866 · Saratoga County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.87 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALEXANDRA SINCLAIR FNP-C

Nurse Practitioner (Family)