AMNA DIWAN (M.D.) – Orthopaedic Surgery Physician, NPI 1518162189

AMNA DIWAN (M.D.) is a healthcare provider. based in Worcester, Massachusetts. specializing in ORTHOPEDIC SURGERY. They hold the professional credentials M.D.. They hold a License No. L-228429 (MA). The NPI Number for AMNA DIWAN (M.D.) is 1518162189

Main info

Female
20 Years Of Experience
Accepts Medicare Assignment
Name
AMNA DIWAN (M.D.)
NPI
1518162189
Phone
(508) 334-0600
Address
55 LAKE AVE N
Enumeration Date
15 June 2007
Last Update Date
10 March 2025

Doctor Profile

Medical School Name
BAYLOR COLLEGE OF MEDICINE
Secondary Phone
4134526251
Graduation Year
2006 (20 years ago)
PAC ID
0547438970
Group Practice PAC ID
4385907609
Professional Enrollment ID
I20151112000749
Address ID
MA011043404SP401XXSTXX300

Contacts

Secure Messaging
adiwan22548@UmassMemorial.direct-ci.com
FHIR Endpoint
https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:18State licenses:2Other namesUpdated within 12 months

948 ORTHOPEDIC SURGERY in MA

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Provider Addresses for AMNA DIWAN (M.D.)

  • UMASS Memorial Medical Center University Campus Hospital, 55, Lake Avenue North, Worcester, Worcester County, Massachusetts, 01653, United States

    WORCESTER, MA 016550002

    Phone: (508) 334-0600

    Fax: (508) 334-3408

    Type: Location

  • 55 Lake Ave N

    Worcester, MA 016550002

    Phone: (508) 334-0600

    Fax: (508) 334-3408

    Type: Location

  • PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States

    BOSTON, MA 022415348

    Phone:

    Type: Mailing

  • 960 MASSACHUSETTS AVENUE

    FL 2

    BOSTON, MA 021182690

    Phone:

    Type: Mailing

  • 736 CAMBRIDGE ST

    9TH FLOOR

    BRIGHTON, MA 02135

    Phone: (617) 779-6500

    Fax: (617) 779-6785

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 9 Open Payments records for all available years, with a total value of $2,484.

Total Amount is formed as General ($2,484) + Research ($0) + Ownership ($0) = $2,484.

Last reported payment date: 2024-11-18 • Largest payer in this snapshot: Synthes GmbH ($2,049).

Total Amount

$2,484

General + Research + Ownership

Payments

9

Total payment records

General Amount

$2,484

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-18

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2015-11-12

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
I20151112000749IOrthopedic SurgeryMATBD

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
99213Established patient office or other outpatient visit, 20-29 minutes4033$0
View full utilization report →

Insurance plans in this area (ZIP 01655)

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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: 4385907609View full group profile
NameSpecialtyState
Physician AssistantMA
-VA
Physician AssistantCT
Physician AssistantMA
Orthopedic SurgeryMA
Physician AssistantMA
Orthopedic SurgeryMA
Orthopedic SurgeryRI

Reviews

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Frequently asked questions

How do I look up AMNA DIWAN (M.D.) by NPI?
Use NPI 1518162189 when you need to reference AMNA DIWAN (M.D.) in forms, claims, or directories.
Is AMNA DIWAN (M.D.) active in the national directory?
AMNA DIWAN (M.D.)'s public NPI profile is in an active state.
What does AMNA DIWAN (M.D.) treat or focus on?
Patients typically see AMNA DIWAN (M.D.) under the specialty Orthopaedic Surgery Physician. Clinical services aligned with this taxonomy classification.
Where is AMNA DIWAN (M.D.)'s primary listing?
We display Worcester, Massachusetts because that is what the record indicates for AMNA DIWAN (M.D.).
What if Worcester, Massachusetts seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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