Provider Profile
Mariellen P. Antman, APN-CNP
Unclaimed ProfileAbout Mariellen Antman
Mariellen P. Antman, APN-CNP is a nurse practitioner practicing in Lake Forest, IL. Mariellen is also listed as specializing in registered nurse and nurse practitioner — adult health. Medicare claims data shows Mariellen provided 443 services to 372 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1235271941.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (847) 735-8550
- Email not available
Practice Locations
800 N WESTMORELAND RD SUITE 205
Lake Forest, IL 60045
Procedures Most Often Billed to Medicare
443 services · 372 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
72 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
352 | More than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other nurse practitioners in Lake Forest 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Mariellen P. Antman?
Mariellen P. Antman is a nurse practitioner in Lake Forest, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mariellen P. Antman's address?
Mariellen P. Antman is listed at 800 N Westmoreland Rd Suite 205, Lake Forest, IL 60045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mariellen P. Antman?
The number on file is (847) 735-8550. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mariellen P. Antman?
Mariellen P. Antman's National Provider Identifier is 1235271941. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mariellen P. Antman train?
Mariellen P. Antman attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mariellen P. Antman have?
Mariellen P. Antman has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mariellen P. Antman perform?
According to Medicare billing data, Mariellen P. Antman provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mariellen P. Antman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mariellen P. Antman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.