DR. NICOLAS D RAMSAY (MD) – Emergency Medicine Physician, NPI 1164047320

DR. NICOLAS D RAMSAY (MD) is a healthcare provider. based in Chicago, Illinois. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. 125.075944 (IL). The NPI Number for DR. NICOLAS D RAMSAY (MD) is 1164047320

Main info

Male
6 Years Of Experience
Accepts Medicare Assignment
Name
DR. NICOLAS D RAMSAY (MD)
NPI
1164047320
Phone
(312) 942-7100
Address
1750 W HARRISON ST STE 108
Enumeration Date
13 June 2020
Last Update Date
13 June 2020

Doctor Profile

Medical School Name
FLORIDA INTERNATIONAL UNIV, COLLEGE OF MEDICINE
Secondary Phone
7086606665
Graduation Year
2020 (6 years ago)
PAC ID
6103244280
Group Practice PAC ID
8820190606
Professional Enrollment ID
I20230804001811
Address ID
IL603041022OA520XXAVEX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience34
Completeness75
Years active:5State licenses:1Digital endpointsOther names

2,845 EMERGENCY MEDICINE in IL

Provider Addresses for DR. NICOLAS D RAMSAY (MD)

  • 1750 W HARRISON ST STE 108

    CHICAGO, IL 606123825

    Phone: (312) 942-7100

    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: 2023-08-04

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
I20230804001811IEmergency MedicineILTBD

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
99285Emergency department visit with high level of medical decision making10099$0
99284Emergency department visit with moderate level of medical decision making8079$0
99291Critical care, first 30-74 minutes1313$0
View full utilization report →

Insurance plans in this area (ZIP 60612)

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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: 8820190606View full group profile
NameSpecialtyState
-IL
Emergency MedicineIL
Emergency MedicineIL
Emergency Medicine, Medical ToxicologyGA
Emergency MedicineIL
Emergency MedicineIL
Emergency MedicineIL
Emergency MedicineIL
-IL
Nurse PractitionerIL

Reviews

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Frequently asked questions

What NPI should I save for DR. NICOLAS D RAMSAY (MD)?
Save NPI 1164047320 if you need a stable reference for DR. NICOLAS D RAMSAY (MD).
Is DR. NICOLAS D RAMSAY (MD) active in the national directory?
DR. NICOLAS D RAMSAY (MD)'s public NPI profile is in an active state.
Does DR. NICOLAS D RAMSAY (MD) list a primary specialty?
If you are matching referrals, note Emergency Medicine Physician for DR. NICOLAS D RAMSAY (MD). Clinical services aligned with this taxonomy classification.
Where is DR. NICOLAS D RAMSAY (MD)'s primary listing?
We display Chicago, Illinois because that is what the record indicates for DR. NICOLAS D RAMSAY (MD).
How can I contact DR. NICOLAS D RAMSAY (MD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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