ELIZABETH K. B. BUCK MD
NPI 1790759017
Internal Medicine in Saranac Lake, NY

Active since February 14, 2006PECOS EnrolledAccepts Medicare Assignment
2249 STATE ROUTE 86 STE 3, SARANAC LAKE, NY 12983(518) 891-3845(518) 891-1236 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 12, 2026, Dec 30, 2025, May 23, 2025 and 4 more (7 updates tracked since 2020).

About Elizabeth K. B. Buck Md NPPES

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

ELIZABETH K. B. BUCK MD (NPI 1790759017) is an individual internal medicine provider in Saranac Lake, New York, licensed in New York (199807) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Adirondack Medical Center - Saranac Lake, and is a graduate of Indiana University School Of Medicine (1991).

NPPES Registry Identity

NPI1790759017
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameELIZABETH K. B. BUCKCredential: MD
Location Address2249 STATE ROUTE 86 STE 3Saranac Lake, NY 12983-5646
Mailing Address9 Carey RdQueensbury, NY 12804-7880 · (518) 761-0300
Fax(518) 891-1236
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 1991
Enumeration DateFebruary 14, 2006
Last NPPES UpdateMarch 12, 20267 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
NPI 1790759017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 199807
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 199807 (NY)
2249 STATE ROUTE 86 STE 3, Saranac Lake, NY 12983

Other Names 1

Former Name (1)Elizabeth K Beiser

Other Identifiers 1

Medicaid01581346NY

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

Elizabeth K. B. Buck Md 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 ID4587799531
PECOS Enrollment IDI20100317000084
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 3

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.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
49 services35 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
13 services11 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Adirondack Medical Center - Saranac Lake

Acute Care Hospitals · Saranac Lake, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330079
Location2233 State Route 86, PO Box 471Saranac Lake, NY 12983 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12983 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
88%1,913 patients4/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
12%173 patients1/55-star benchmark: 96%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
9%683 patients1/55-star benchmark: 99%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
84%683 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
37%683 patients3/55-star benchmark: 59%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 16

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers59 claims171 services$5.16 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
2 suppliers25 claims29 services$0.90 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
2 suppliers14 claims14 services$101.77 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers19 claims47 services$38.90 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
1 supplier15 claims15 services$19.96 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
1 supplier26 claims26 services$19.55 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

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

Nurse Practitioner (Psychiatric/Mental Health)
2249 STATE ROUTE 86 STE 3
SARANAC LAKE, NY 12983
Physician Assistant
2249 STATE ROUTE 86 STE 3
SARANAC LAKE, NY 12983
Pediatrics
2249 STATE ROUTE 86 STE 3
SARANAC LAKE, NY 12983
Nurse Practitioner (Psychiatric/Mental Health)
2249 STATE ROUTE 86 STE 3
SARANAC LAKE, NY 12983
Family Medicine
2249 STATE ROUTE 86 STE 3
SARANAC LAKE, NY 12983
Family Medicine
2249 STATE ROUTE 86 STE 3
SARANAC LAKE, NY 12983
Family Medicine
2249 STATE ROUTE 86 STE 3
SARANAC LAKE, NY 12983
Nurse Practitioner (Family)
2249 STATE ROUTE 86 STE 3
SARANAC LAKE, NY 12983

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elizabeth Buck's NPI number?

The NPI number for Elizabeth Buck is 1790759017. It was assigned to this individual provider in the NPPES registry on February 14, 2006. The provider is also known as Elizabeth K Beiser.

Where is Elizabeth Buck located?

Elizabeth Buck practices at 2249 State Route 86 Ste 3, Saranac Lake, NY 12983. The listed phone number is (518) 891-3845.

What is Elizabeth Buck's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Elizabeth Buck enrolled in Medicare?

Yes. Elizabeth Buck is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Elizabeth Buck affiliated with any hospitals?

According to CMS data, Elizabeth Buck is affiliated with Adirondack Medical Center - Saranac Lake.

When was this NPI record last updated?

The NPPES record for Elizabeth Buck was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.