LYDIA ALANA FLIER M.D.
NPI 1104273911
Internal Medicine in Cambridge, MA

Q: What is Lydia Flier's NPI number?

The NPI number for Lydia Flier is 1104273911. It was assigned to this individual provider in the NPPES registry on May 22, 2016. The provider is also known as Lydia Alana Flier-Frederick.

Q: What is Lydia Flier'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 Lydia Flier was last updated on October 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 May 22, 2016PECOS EnrolledAccepts Medicare Assignment

330 MOUNT AUBURN ST, CAMBRIDGE, MA 02138(617) 499-5055 Get Directions Write a Review

NPPES record last updated: October 15, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 15, 2019, May 22, 2016 (2 updates tracked since 2016).

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About Lydia Alana Flier M.d. NPPES

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

LYDIA ALANA FLIER M.D. (NPI 1104273911) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (279387) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1104273911

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameLYDIA ALANA FLIERCredential: M.D.

Location Address330 MOUNT AUBURN STCambridge, MA 02138-5502

Mailing Address330 Brookline AveBoston, MA 02215-5400 · (617) 667-7000

Phone(617) 499-5055

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMay 22, 2016

Last NPPES UpdateOctober 15, 20192 updates tracked since enumeration

✔ NPI 1104273911 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 · 279387

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 268239 (MA)

330 MOUNT AUBURN ST, Cambridge, MA 02138

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Other Names 1

Other Name (5)Lydia Alana Flier-frederick

Secondary Practice Location 1

Location 1330 Brookline AveBoston, MA 02215-5400 · Phone (617) 667-7000

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

Lydia Alana Flier 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 ID2567757743

PECOS Enrollment IDI20190806002175

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 12

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.

355 services218 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.

310 services214 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.

200 services200 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.

181 services135 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.

45 services43 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

43 services41 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

40 services38 patients

Follow-up psychiatric collaborative care management, subsequent calendar month, first 60 minutes 99493

This service involves continued psychiatric care management for the next calendar month, covering the first 60 minutes. It includes communication with you and your healthcare team, planning and adjusting your treatment, and monitoring your progress.

37 services15 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.

19 services18 patients

Initial psychiatric collaborative care management, first calendar month, first 70 minutes 99492

This is the first month of a mental health care program where a team of health professionals collaboratively manage your care. The first 70 minutes involve assessing your needs, creating a care plan, and coordinating services to support your mental wellbeing.

19 services18 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

16 services16 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220002

Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County

Emergency services Birthing friendly

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02138 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers27 claims27 services$184.00 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.

MR. MIGUEL ANGEL PAZ PA-C

Physician Assistant (Surgical)

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-3500

DR. ALAAELDIN AHMED MD

Student in an Organized Health Care Education/Training Program

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 492-3500

DR. JANE R. SHARP MD

Obstetrics & Gynecology

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5151

DR. LAURA NEED MD

Pediatrics (Pediatric Cardiology)

330 MOUNT AUBURN ST, NEWBORN SERVICES
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5595

DR. VALERIE PRONIO-STELLUTO MD

Internal Medicine

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5140

DR. BENJAMIN KERMAN MD

Emergency Medicine

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5025

ANAESTHESIA ASSOCIATES OF MASSACHUSETTS, PC

Anesthesiology

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 499-5075

PAVLINA CHRYSAFI

Student in an Organized Health Care Education/Training Program

330 MOUNT AUBURN ST
CAMBRIDGE, MA 02138

Middlesex County (617) 492-3500

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 Lydia Flier's NPI number?

The NPI number for Lydia Flier is 1104273911. It was assigned to this individual provider in the NPPES registry on May 22, 2016. The provider is also known as Lydia Alana Flier-Frederick.

Where is Lydia Flier located?

Lydia Flier practices at 330 Mount Auburn St, Cambridge, MA 02138. The listed phone number is (617) 499-5055.

What is Lydia Flier's specialty?

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

Is Lydia Flier enrolled in Medicare?

Yes. Lydia Flier 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.

What insurance does Lydia Flier accept?

Health plans from Anthem Blue Cross and Blue Shield list Lydia Flier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Lydia Flier affiliated with any hospitals?

According to CMS data, Lydia Flier is affiliated with Mount Auburn Hospital, Anna Jaques Hospital, Massachusetts General Hospital and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Lydia Flier was last updated on October 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.