ELIZABETH GLYNN NILSON M.D.
NPI 1639112022
Internal Medicine in Burlington, MA

Q: What is Elizabeth Nilson's NPI number?

The NPI number for Elizabeth Nilson is 1639112022. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Q: What is Elizabeth Nilson's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Elizabeth Nilson was last updated on April 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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 June 14, 2006PECOS EnrolledAccepts Medicare Assignment

91.41/100

CMS Quality Rating

67 S BEDFORD ST STE 202E, BURLINGTON, MA 01803(781) 744-7000(781) 744-7516 Get Directions Write a Review

NPPES record last updated: April 14, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Elizabeth Glynn Nilson M.d. NPPES

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

ELIZABETH GLYNN NILSON M.D. (NPI 1639112022) is an individual internal medicine provider in Burlington, Massachusetts, licensed in Massachusetts (238648) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and is a graduate of University Of Massachusetts Medical School (1995).

NPPES Registry Identity

NPI1639112022

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameELIZABETH GLYNN NILSONCredential: M.D.

Location Address67 S BEDFORD ST STE 202EBurlington, MA 01803-5141

Mailing Address41 Mall Rd, Lahey ClinicBurlington, MA 01805-0001 · (781) 744-7000 · Fax (781) 744-7516

Phone(781) 744-7000

Fax(781) 744-7516

Sole ProprietorNo

Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 1995

Enumeration DateJune 14, 2006

Last NPPES UpdateApril 14, 2021

NPPES CertifiedApril 14, 2021

✔ NPI 1639112022 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 MA · 238648

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 ListedPreventive Medicine · Public Health & General Preventive MedicineTaxonomy 2083P0901X · License 238648 (MA)

67 S BEDFORD ST STE 202E, Burlington, MA 01803

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Other Identifiers 1

Medicaid110082094AMA

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Elizabeth Glynn Nilson M.d. 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 ID3779588504

PECOS Enrollment IDI20090423000642

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.

Medicare Billing Reassignment

Medicare enrollment records show Elizabeth Nilson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lahey Clinic, Inc.

1.2 mi

Internal Medicine

41 MALL RD, LAHEY CLINIC
Burlington, MA 01805

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1063447316 (Massachusetts)
1,574 clinicians in this Medicare group

NPI 1538194980 (781) 744-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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.

191 services161 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

181 services60 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.

140 services124 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.

60 services56 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

41 services28 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

29 services29 patients

Hospital Affiliations CMS Care Compare 5

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

Anna Jaques Hospital

Acute Care Hospitals · Newburyport, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220029

Location25 Highland AvenueNewburyport, MA 01950 · Essex County

Emergency services Birthing friendly

Northeast Hospital Corporation

Acute Care Hospitals · Beverly, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220033

Location85 Herrick StreetBeverly, MA 01915 · Essex County

Emergency services Birthing friendly

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220086

Location330 Brookline AvenueBoston, MA 02215 · Suffolk County

Emergency services Birthing friendly

Winchester Hospital

Acute Care Hospitals · Winchester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220105

Location41 Highland AvenueWinchester, MA 01890 · Middlesex County

Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220171

Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01803 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

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.

91.41/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

76.87

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 8

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

7 suppliers15 claims30 services$5.71 avg. paid by Medicare

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

DME-Other DME · category DE001N

3 suppliers29 claims29 services$35.88 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

5 suppliers21 claims120 services$17.95 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

6 suppliers27 claims27 services$50.35 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

6 suppliers25 claims25 services$15.51 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

5 suppliers34 claims200 services$1.89 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.

ERIN L MALONE MD

Internal Medicine