DR. LORI H. PAI (M.D.) – Hematology & Oncology Physician, NPI 1083727911

DR. LORI H. PAI (M.D.) is a healthcare provider. based in Boston, Massachusetts. specializing in INTERNAL MEDICINE, HEMATOLOGY/ONCOLOGY. They hold the professional credentials M.D.. They hold a License No. 247437 (MA). The NPI Number for DR. LORI H. PAI (M.D.) is 1083727911

Main info

Female
25 Years Of Experience
Accepts Medicare Assignment
Name
DR. LORI H. PAI (M.D.)
NPI
1083727911
Phone
(617) 636-8148
Address
800 WASHINGTON ST
Enumeration Date
16 August 2006
Last Update Date
11 February 2025

Doctor Profile

Medical School Name
HARVARD MEDICAL SCHOOL
Secondary Phone
8085224000
Graduation Year
2001 (25 years ago)
PAC ID
2264459247
Group Practice PAC ID
6305759754
Professional Enrollment ID
I20260306002013
Address ID
HI968133097HO888XXSTXX403
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness75
Years active:19State licenses:1Digital endpointsOther names

7,722 INTERNAL MEDICINE in MA

Provider Addresses for DR. LORI H. PAI (M.D.)

  • 800 WASHINGTON ST

    BOSTON, MA 021111552

    Phone: (617) 636-8148

    Type: Mailing

  • Greenwich Hospital, 5, Perryridge Road, Greenwich, Fairfield County, Connecticut, 06830, United States

    GREENWICH, CT 068304608

    Phone: (203) 863-3851

    Fax: (203) 863-4738

    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: 2026-03-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20140925000290IHematology/OncologyMATBD
I20260306002013IHematology/OncologyHITBD

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
99215Established patient office or other outpatient visit, 40-54 minutes18940$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes6320$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes1616$0
99205New patient office or other outpatient visit, 60-74 minutes1313$0
View full utilization report →

Insurance plans in this area (ZIP 02111)

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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: 6305759754View full group profile

Reviews

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Frequently asked questions

Is DR. LORI H. PAI (M.D.) listed with a National Provider Identifier?
Yes — DR. LORI H. PAI (M.D.) has NPI 1083727911 on file in the registry.
Is DR. LORI H. PAI (M.D.) still an active registrant?
DR. LORI H. PAI (M.D.) carries an active NPI according to the public dataset.
What clinical focus is listed for DR. LORI H. PAI (M.D.)?
At a glance, DR. LORI H. PAI (M.D.) is tied to Hematology & Oncology Physician. Clinical services aligned with this taxonomy classification.
Where in Massachusetts is DR. LORI H. PAI (M.D.) registered?
Use Boston, Massachusetts as the headline location for DR. LORI H. PAI (M.D.) here.
Does DR. LORI H. PAI (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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