Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MACKENZI KIM
NPI 1700445566
Family Medicine - Geriatric Medicine in Lynn, MA

Q: What is Mackenzi Kim's NPI number?

The NPI number for Mackenzi Kim is 1700445566. It was assigned to this individual provider in the NPPES registry on June 6, 2019. The provider is also known as Mackenzi Frost MD.

Q: What is Mackenzi Kim's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Q: When was this NPI record last updated?

The NPPES record for Mackenzi Kim was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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 06, 2019PECOS EnrolledAccepts Medicare Assignment

235 WOODLAND N, LYNN, MA 01904(781) 715-6692 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2026, Jun 6, 2019 (2 updates tracked since 2019).

On this page

About Mackenzi Kim NPPES

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

MACKENZI KIM (NPI 1700445566) is an individual geriatric medicine provider in Lynn, Massachusetts, licensed in Massachusetts (1014161) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and maintains a secondary practice location in Lowell.

NPPES Registry Identity

NPI1700445566

Entity TypeIndividualFemale

Primary Taxonomy207QG0300X

Provider Legal NameMACKENZI KIM

Location Address235 WOODLAND NLynn, MA 01904-1414

Mailing Address235 Woodland NLynn, MA 01904-1414

Phone(781) 715-6692

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJune 6, 2019

Last NPPES UpdateSeptember 17, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2026

✔ NPI 1700445566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207QG0300X

License✔ Licensed in MA · 1014161

Definition

A family medicine physician with 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.

235 WOODLAND N, Lynn, MA 01904

Open in Google Maps ↗

Other Names 1

Former Name (1)Mackenzi Frost Md

Secondary Practice Location 1

Location 1166 Central StLowell, MA 01852-1910 · Phone (978) 513-7300

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

Mackenzi Kim 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 ID749612083

PECOS Enrollment IDI20230710000565

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 Mackenzi Kim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Harvard Vanguard Medical Associates, Inc

3.0 mi

Internal Medicine

2 ESSEX CENTER DR, 3RD FLOOR
Peabody, MA 01960

Reassigned Medicare billing, Massachusetts enrollment
Medicare enrollment name: Atrius Health Inc
1,317 clinicians in this Medicare group

NPI 1538373295 (978) 532-2800

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 34

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.

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.

267 services142 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.

253 services143 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

107 services103 patients

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.

98 services82 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

70 services64 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

60 services58 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

57 services51 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.

56 services56 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

55 services52 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

53 services49 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.

46 services39 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

41 services40 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.

37 services36 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

35 services31 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

29 services26 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

28 services28 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

24 services24 patients

Blood potassium level 84132

A blood potassium level test measures the amount of potassium in your blood. Potassium is a vital mineral for the body, helping nerves and muscles, especially the heart, to function properly. Abnormal levels can cause health issues like irregular heartbeat, muscle weakness, or numbness.

23 services22 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

23 services23 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.

17 services17 patients

Parathormone (parathyroid hormone) level 83970

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

17 services16 patients

Transferrin (iron binding protein) level 84466

A transferrin level test measures the amount of transferrin, a protein that carries iron, in your blood. This can help determine if your body has an iron deficiency or overload. It's a simple blood test and can provide valuable information about your overall health.

17 services17 patients

Hepatitis b core antibody measurement 86704

Hepatitis B core antibody measurement is a test conducted to determine if you have been infected with the Hepatitis B virus in the past. It involves taking a blood sample and analyzing it in a lab. This test aids in diagnosing and managing Hepatitis B infections.

17 services16 patients

Detection test by immunoassay technique for hepatitis b surface antigen 87340

This test helps identify the presence of hepatitis B in your body. It uses an immunoassay technique, which is a highly sensitive method that detects the hepatitis B surface antigen, a protein on the virus. This test can help diagnose an active infection or determine if you're a carrier.

17 services16 patients

Calcium level, total 82310

A total calcium level test measures the amount of calcium in your blood. Calcium is essential for body functions like bone formation, nerve signal transmission, and muscle contraction. Abnormal levels may indicate conditions like bone disease or kidney disorders.

16 services16 patients

Hepatitis b surface antibody measurement 86706

Hepatitis B surface antibody measurement is a blood test done to check if your body has developed immunity against the Hepatitis B virus. It's typically done after vaccination or to confirm recovery from a past infection. It's a simple, safe procedure.

16 services16 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.

14 services14 patients

Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) 80051

A blood test panel for electrolytes checks the levels of sodium, potassium, chloride, and carbon dioxide in your blood. These elements are crucial for body functions such as maintaining fluid balance, muscle contractions, and heart rhythm. The test helps identify any imbalances.

13 services13 patients

Blood sodium level 84295

A blood sodium level test measures the amount of sodium, a vital mineral, in your blood. It helps assess your body's water levels and the function of your nerves and muscles. Abnormal levels may indicate conditions like dehydration, kidney disease, or hormonal imbalances.

13 services13 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

13 services12 patients

Urea nitrogen level to assess kidney function, quantitative 84520

The urea nitrogen level test is a routine blood test that checks the amount of urea nitrogen in your blood to evaluate how well your kidneys are working. If the levels are higher than normal, it may indicate that your kidneys are not functioning properly.

12 services12 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

12 services12 patients

Phosphate level 84100

A phosphate level test measures the amount of phosphate in your blood. Phosphate is a chemical that contains the mineral phosphorus, crucial for energy production, muscle and nerve function, and bone growth. Imbalances may indicate kidney disease or other health issues.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Lowell General Hospital

Acute Care Hospitals · Lowell, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220063

Location295 Varnum AvenueLowell, MA 01854 · Middlesex County

Emergency services Birthing friendly

Emerson Hospital -

Acute Care Hospitals · W Concord, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220084

Location133 Old Road To 9 Acre CornerW Concord, MA 01742 · 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 01904 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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 14

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

CARA L CHEVALIER MD

Family Medicine

235 WOODLAND N
LYNN, MA 01904

Essex County (781) 715-6608

LOGAN COLLINS

Registered Nurse

235 WOODLAND N
LYNN, MA 01904

Essex County (781) 715-6673

MRS. SARAH IONE HILLIOS ANP-C

Nurse Practitioner (Adult Health)

235 WOODLAND N
LYNN, MA 01904

Essex County (781) 715-2390

NADIYA RUTMAN RN BSN/ CNP

Nurse Practitioner

235 WOODLAND N
LYNN, MA 01904

Essex County (781) 632-8080

MICHELLE DELCY RN

Registered Nurse

235 WOODLAND N
LYNN, MA 01904

Essex County (781) 715-6608

LAUREN IRENE DAPONTA RN

Internal Medicine (Geriatric Medicine)

235 WOODLAND N
LYNN, MA 01904

Essex County (781) 715-6608

BRIANA FORTADO LCSW

Social Worker (Clinical)

235 WOODLAND N
LYNN, MA 01904

Essex County (978) 854-2861

IVETTE ACOSTA RN

Registered Nurse

235 WOODLAND N
LYNN, MA 01904

Essex County (781) 715-6692

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 Mackenzi Kim's NPI number?

The NPI number for Mackenzi Kim is 1700445566. It was assigned to this individual provider in the NPPES registry on June 6, 2019. The provider is also known as Mackenzi Frost MD.

Where is Mackenzi Kim located?

Mackenzi Kim practices at 235 Woodland N, Lynn, MA 01904. The listed phone number is (781) 715-6692.

What is Mackenzi Kim's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is Mackenzi Kim enrolled in Medicare?

Yes. Mackenzi Kim 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.

Which organization bills Medicare for Mackenzi Kim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzi Kim reassigns Medicare benefits to Harvard Vanguard Medical Associates, Inc (Peabody, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mackenzi Kim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mackenzi Kim affiliated with any hospitals?

According to CMS data, Mackenzi Kim is affiliated with Lowell General Hospital, Emerson Hospital - and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Mackenzi Kim was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.