What is Mary Kokoska's NPI number?

Mary Kokoska's National Provider Identifier (NPI) is 1447453527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Kokoska's specialty?

Mary Kokoska is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Mary Kokoska located?

Mary Kokoska's practice location on file with NPPES is 40 Cross St, Norwalk, CT 06851.

What is Mary Kokoska's phone number?

The practice phone number listed in the NPPES registry for Mary Kokoska is (203) 845-4800.

Does Mary Kokoska accept Medicare?

Mary Kokoska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Mary Kokoska's NPI active?

Yes — Mary Kokoska's NPI (1447453527) is active in the NPPES registry as of the last update on 2019-06-18.

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Mary Kokoska, APRN

NPI 1447453527 · Nurse Practitioner · Norwalk, CT

Mary Kokoska, APRN is a Nurse Practitioner provider in Norwalk, CT (NPI 1447453527).

Provider details

NPI number: 1447453527
Entity type: Individual
Primary specialty: Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: APRN
Sex: Female
Sole proprietor: Yes
License: 003245 (CT)

Practice location

40 Cross St

Norwalk, CT 06851

Phone: (203) 845-4800

Fax: (203) 845-4873

Street-level locationGet directions

More CT providers

Mailing address

2700 Westchester Ave

Purchase, NY 10577-2547

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense 003245 (CT)
Physician Assistants & Advanced Practice Nursing Providers

Additional practice locations (1)

21 Elm St
Hospitalist Program
New Milford, CT 06776-2915
Phone: (860) 210-7490
Fax: (860) 210-7480

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(73/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
19 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
2 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
210 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	92	$79
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	39	$14
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	38	$114
Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000	15	$13
Administration of Influenza Virus VaccineG0008	13	$34

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Atorvastatin Calcium	69	26
Amlodipine Besylate	56	19
Lisinopril	40	15
Rosuvastatin Calcium	34	13
Levothyroxine Sodium	28	—
Albuterol Sulfatebrand: Albuterol Sulfate Hfa	24	—

Enumerated: 2007-06-07
Last updated: 2019-06-18

Frequently asked questions

What is Mary Kokoska's NPI number?: Mary Kokoska's National Provider Identifier (NPI) is 1447453527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary Kokoska's specialty?: Mary Kokoska is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Mary Kokoska located?: Mary Kokoska's practice location on file with NPPES is 40 Cross St, Norwalk, CT 06851.
What is Mary Kokoska's phone number?: The practice phone number listed in the NPPES registry for Mary Kokoska is (203) 845-4800.
Does Mary Kokoska accept Medicare?: Mary Kokoska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Mary Kokoska's NPI active?: Yes — Mary Kokoska's NPI (1447453527) is active in the NPPES registry as of the last update on 2019-06-18.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	92	$79
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	39	$14
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	38	$114
Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000	15	$13
Administration of Influenza Virus VaccineG0008	13	$34