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MARGARET BARAN
NPI 1285623843
Internal Medicine in Darien, CT

Active since October 17, 2005PECOS EnrolledAccepts Medicare Assignment
1500 POST RD STE 100, DARIEN, CT 06820(203) 655-8749(203) 655-0701 Get Directions Write a Review

NPPES record last updated: October 12, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 12, 2021, Apr 16, 2019 (2 updates tracked since 2019).

About Margaret Baran NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET BARAN (NPI 1285623843) is an individual internal medicine provider in Darien, Connecticut, licensed in Connecticut (69231) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1997).

NPPES Registry Identity

NPI1285623843
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARGARET BARAN
Location Address1500 POST RD STE 100Darien, CT 06820-5936
Mailing Address1500 Post Rd Ste 100Darien, CT 06820-5936 · (203) 655-8749 · Fax (203) 655-0701
Phone(203) 655-8749
Fax(203) 655-0701
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1997
Enumeration DateOctober 17, 2005
Last NPPES UpdateOctober 12, 20212 updates tracked since enumeration
NPPES CertifiedOctober 12, 2021
✔ NPI 1285623843 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CT · 69231✔ Licensed in NY · 2114601
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1500 POST RD STE 100, Darien, CT 06820
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Other Identifiers 1

Medicaid02094580NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Baran is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961586797
PECOS Enrollment IDI20210902003046
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
329 services140 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
100 services100 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
53 services50 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
52 services42 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
47 services42 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
45 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06820 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KARTHIK GUNACHELVAN
Internal Medicine
1500 POST RD STE 100
DARIEN, CT 06820
Western Connecticut Planning Region (203) 655-8749

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Baran's NPI number?

The NPI number for Margaret Baran is 1285623843. It was assigned to this individual provider in the NPPES registry on October 17, 2005.

Where is Margaret Baran located?

Margaret Baran practices at 1500 Post Rd Ste 100, Darien, CT 06820. The listed phone number is (203) 655-8749.

What is Margaret Baran's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Margaret Baran enrolled in Medicare?

Yes. Margaret Baran is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Margaret Baran was last updated on October 12, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.