DR. ANDREW O NICHOLS (MD) – Internal Medicine Physician, NPI 1598762858

DR. ANDREW O NICHOLS (MD) is a healthcare provider. based in Lexington, Massachusetts. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 72779 (MA). The NPI Number for DR. ANDREW O NICHOLS (MD) is 1598762858

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. ANDREW O NICHOLS (MD)
NPI
1598762858
Phone
(781) 862-7500
Address
57 BEDFORD ST
Enumeration Date
1 July 2005
Last Update Date
23 March 2009

Doctor Profile

Medical School Name
BOSTON UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
7818627500
Graduation Year
1984 (42 years ago)
PAC ID
1355380643
Group Practice PAC ID
6103725031
Professional Enrollment ID
I20050426001344
Address ID
MA024204543LE57XXXSTXX304
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

7,722 INTERNAL MEDICINE in MA

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Provider Addresses for DR. ANDREW O NICHOLS (MD)

  • 57 Bedford St, Bedford Street, North Lexington, Lexington, Middlesex County, Massachusetts, 02420-3427, United States

    STE 130

    LEXINGTON, MA 024204500

    Phone: (781) 862-7500

    Fax: (781) 861-1409

    Mailing address matches the actual address.

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: 2005-04-26

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
I20050426001344IInternal 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 minutes349218$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit166166$0
99213Established patient office or other outpatient visit, 20-29 minutes130104$0
36415Insertion of needle into vein for collection of blood sample11397$0
G0008Administration of influenza virus vaccine5050$0
View full utilization report →

Insurance plans in this area (ZIP 02420)

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Provider's Procedures

DR. ANDREW O NICHOLS (MD) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEMA83036Hemoglobin A1C level2016

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: 6103725031View full group profile

Reviews

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Frequently asked questions

How do I look up DR. ANDREW O NICHOLS (MD) by NPI?
Use NPI 1598762858 when you need to reference DR. ANDREW O NICHOLS (MD) in forms, claims, or directories.
Does this profile mean DR. ANDREW O NICHOLS (MD) is currently active?
Yes — DR. ANDREW O NICHOLS (MD) appears active in the national provider directory.
What field does DR. ANDREW O NICHOLS (MD) work in?
You can think of DR. ANDREW O NICHOLS (MD) as practicing within Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Does DR. ANDREW O NICHOLS (MD) practice in Massachusetts?
You will see Lexington, Massachusetts on file for DR. ANDREW O NICHOLS (MD) alongside any extra practice locations.
What if Lexington, Massachusetts seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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