DR. STEVEN R FLIER (M.D.) – Internal Medicine Physician, NPI 1013905751

DR. STEVEN R FLIER (M.D.) is a healthcare provider. based in Wellesley, Massachusetts. specializing in NEPHROLOGY, INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 40073 (MA). The NPI Number for DR. STEVEN R FLIER (M.D.) is 1013905751

Main info

Male
51 Years Of Experience
Accepts Medicare Assignment
Name
DR. STEVEN R FLIER (M.D.)
NPI
1013905751
Phone
(617) 731-0058
Address
110 WORCESTER ST
Enumeration Date
6 October 2005
Last Update Date
30 December 2025

Doctor Profile

Medical School Name
ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Secondary Phone
6177310058
Graduation Year
1975 (51 years ago)
PAC ID
8628049871
Group Practice PAC ID
7012988264
Professional Enrollment ID
I20050819000130
Address ID
MA024813634WE110XXSTXX305
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Digital endpointsOther names

458 NEPHROLOGY in MA

Provider Addresses for DR. STEVEN R FLIER (M.D.)

  • 110 WORCESTER ST

    SUITE 301

    WELLESLEY, MA 02481

    Phone: (617) 731-0058

    Fax: (617) 731-0825

    Type: Mailing

  • Boylston Street, Chestnut Hill, Newton, Middlesex County, Massachusetts, 02467, United States

    SUITE 306

    CHESTNUT HILL, MA 024672116

    Phone: (617) 731-0058

    Fax: (617) 731-0825

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-08-19

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050819000130IInternal MedicineMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes245180$0
93000Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report209168$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit155155$0
99213Established patient office or other outpatient visit, 20-29 minutes11675$0
G0008Administration of influenza virus vaccine101100$0
View full utilization report →

Insurance plans in this area (ZIP 02481)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7012988264View full group profile
NameSpecialtyState
Internal MedicineMA
Internal MedicineMA
Internal MedicineMA
Internal MedicineMA
Internal MedicineMA
Internal MedicineMA

Reviews

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Frequently asked questions

Can I cross-check DR. STEVEN R FLIER (M.D.) using NPI 1013905751?
NPI 1013905751 belongs to DR. STEVEN R FLIER (M.D.); compare other details if you need extra assurance.
Is there an active status for DR. STEVEN R FLIER (M.D.)?
For scheduling context, DR. STEVEN R FLIER (M.D.) is shown as active in the registry.
How would a patient describe DR. STEVEN R FLIER (M.D.)'s focus?
For DR. STEVEN R FLIER (M.D.), the primary taxonomy reads as Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where in Massachusetts is DR. STEVEN R FLIER (M.D.) registered?
Use Wellesley, Massachusetts as the headline location for DR. STEVEN R FLIER (M.D.) here.
Can I trust this NPI listing for DR. STEVEN R FLIER (M.D.)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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