ALEXANDRA L MESSERLI MD
NPI 1992142939
Internal Medicine - Geriatric Medicine in Williston, VT

Q: What is Alexandra Messerli's NPI number?

The NPI number for Alexandra Messerli is 1992142939. It was assigned to this individual provider in the NPPES registry on May 31, 2013.

Q: What is Alexandra Messerli's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Active since May 31, 2013PECOS EnrolledAccepts Medicare Assignment

353 BLAIR PARK RD, WILLISTON, VT 05495(802) 847-1470(802) 847-7135 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Aug 16, 2017 (3 updates tracked since 2017).

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About Alexandra L Messerli Md NPPES

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

ALEXANDRA L MESSERLI MD (NPI 1992142939) is an individual geriatric medicine provider in Williston, Vermont, licensed in Vermont (042.0013838) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS, is affiliated with Central Vermont Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1992142939

Entity TypeIndividualFemale

Primary Taxonomy207RG0300X

Provider Legal NameALEXANDRA L MESSERLICredential: MD

Location Address353 BLAIR PARK RDWilliston, VT 05495-7530

Mailing Address353 Blair Park RdWilliston, VT 05495-7530 · (802) 847-1470 · Fax (802) 847-7135

Phone(802) 847-1470

Fax(802) 847-7135

Sole ProprietorNo

Medical School CMSUniversity Of Vermont College Of MedicineGraduated 2013

Enumeration DateMay 31, 2013

Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration

✔ NPI 1992142939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RG0300X

License✔ Licensed in VT · 042.0013838

Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

353 BLAIR PARK RD, Williston, VT 05495

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Secondary Practice Locations 2

Location 1792 College Pkwy Ste 205Colchester, VT 05446-3052 · Phone (802) 847-1111 · Fax (802) 847-7594

Location 2111 Colchester Ave, UVM Medical Center - Hospitalist ServiceBurlington, VT 05401 · Phone (802) 847-7911 · Fax (802) 847-5784

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Alexandra L Messerli 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 ID8527208735

PECOS Enrollment IDI20180129000515

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 10

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 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.

154 services91 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

135 services99 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

93 services93 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

55 services37 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

55 services52 patients

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.

50 services47 patients

Hospital Affiliations CMS Care Compare 4

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

Central Vermont Medical Center

Acute Care Hospitals · Barre, VT

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number470001

LocationBox 547Barre, VT 05641 · Washington County

Emergency services Birthing friendly

Univ. Of Vermont - Fletcher Allen Health Care

Acute Care Hospitals · Burlington, VT

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number470003

Location111 Colchester AveBurlington, VT 05401 · Chittenden County

Emergency services Birthing friendly

Northwestern Medical Center Inc

Acute Care Hospitals · Saint Albans, VT

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number470024

Location133 Fairfield StreetSaint Albans, VT 05478 · Franklin County

Emergency services Birthing friendly

Porter Hospital, Inc

Critical Access Hospitals · Middlebury, VT

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number471307

Location115 Porter DriveMiddlebury, VT 05753 · Addison County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 05495 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

$168.48 typical visit price

range $55.80 – $168.48

Typical copayment $42.12 (range $13.95 – $42.12)

Most-billed visit code 99205

Established Patient

$98.40 typical visit price

range $18.08 – $137.84

Typical copayment $24.60 (range $4.52 – $34.46)

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.

Referred Medical Equipment & Supplies CMS DME claims 6

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

2 suppliers14 claims14 services$39.73 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

2 suppliers12 claims12 services$59.52 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

2 suppliers14 claims75 services$2.18 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

1 supplier12 claims360 services$5.71 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

1 supplier12 claims6,714 services$0.32 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

3 suppliers12 claims1,458 services$0.09 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 20

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

DR. LUCY MILLER MD

Internal Medicine