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KAREN MCCLOSKEY M.D.
NPI 1972982205
Internal Medicine - Endocrinology, Diabetes & Metabolism in Danbury, CT

Active since May 19, 2015PECOS EnrolledAccepts Medicare Assignment
25 GERMANTOWN RD, DANBURY, CT 06810(203) 794-5620(203) 739-8420 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 4, 2026, Aug 8, 2022, Aug 20, 2020 (3 updates tracked since 2020).

About Karen Mccloskey M.d. NPPES

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

KAREN MCCLOSKEY M.D. (NPI 1972982205) is an individual endocrinology, diabetes & metabolism provider in Danbury, Connecticut, licensed in Connecticut (72175) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (2015).

NPPES Registry Identity

NPI1972982205
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameKAREN MCCLOSKEYCredential: M.D.
Location Address25 GERMANTOWN RDDanbury, CT 06810-5036
Mailing Address25 Germantown RdDanbury, CT 06810-5036 · (203) 794-5620
Phone(203) 794-5620
Fax(203) 739-8420
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2015
Enumeration DateMay 19, 2015
Last NPPES UpdateMarch 4, 20263 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
✔ NPI 1972982205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in CT · 72175✔ Licensed in NY · 292845
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
25 GERMANTOWN RD, Danbury, CT 06810
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen Mccloskey M.d. 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 ID9638418924
PECOS Enrollment IDI20220920003076
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.

Medicare Billing Reassignment

Medicare enrollment records show Karen Mccloskey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nuvance Health Medical Practice Ct, Inc.
0.7 mi
Internal Medicine
24 HOSPITAL AVE
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 818 clinicians in this Medicare group
NPI 1407898117 (203) 739-7742

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
900 services12 patients
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.
229 services182 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
100 services100 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
44 services40 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
43 services34 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
40 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06810 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 20

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

MARCOS RAMIRO LAMAS M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
25 GERMANTOWN RD
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-5620
TERESA A CICHOSZ AGNP-C, CDCES
Nurse Practitioner (Adult Health)
25 GERMANTOWN RD
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-5620
DR. KRISTEN JACKSON MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
25 GERMANTOWN RD
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-5620
DR. LAWRENCE FISHER M.D.
Specialist
25 GERMANTOWN RD, SUITE 2B
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-0090
MARIE ELENA CORDISCO APRN
Nurse Practitioner (Family)
25 GERMANTOWN RD
DANBURY, CT 06810
Western Connecticut Planning Region (203) 764-5620
DR. UMAR RIAZ AHMAD D.O.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
25 GERMANTOWN RD
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-5620
CRISTINA MARIE VERGARA
Nurse Practitioner (Family)
25 GERMANTOWN RD
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-5620
SARAH SCOLPINI MSN, APRN, FNP-BC
Nurse Practitioner (Family)
25 GERMANTOWN RD
DANBURY, CT 06810
Western Connecticut Planning Region (203) 794-5620

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 Karen Mccloskey's NPI number?

The NPI number for Karen Mccloskey is 1972982205. It was assigned to this individual provider in the NPPES registry on May 19, 2015.

Where is Karen Mccloskey located?

Karen Mccloskey practices at 25 Germantown Rd, Danbury, CT 06810. The listed phone number is (203) 794-5620.

What is Karen Mccloskey's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Karen Mccloskey enrolled in Medicare?

Yes. Karen Mccloskey 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.

Which organization bills Medicare for Karen Mccloskey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Mccloskey reassigns Medicare benefits to Nuvance Health Medical Practice Ct, Inc. (Danbury, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Mccloskey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Mccloskey accept?

Health plans from Anthem Blue Cross and Blue Shield list Karen Mccloskey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Karen Mccloskey was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.