Doctor profile · Federal record

Dr. Mary Kokoska, APRN

Nurse Practitioner · Norwalk, CT

  • NPI 1447453527
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
40 Cross St
Norwalk, CT 06851
(203) 845-4800
fax (203) 845-4873
Additional location
21 Elm St, Hospitalist Program
New Milford, CT 067762915
(860) 210-7490
fax (860) 210-7480
Mailing address
2700 Westchester Ave
Purchase, NY 105772547

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
June 18, 2019
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Connecticut #003245

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447453527. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
273
Distinct HCPCS
10
Medicare allowed
$12,951
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 85 66 $81
36415 Insertion of needle into vein for collection of blood sample 32 25 $8
80053 Blood test, comprehensive group of blood chemicals 28 23 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 26 21 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 24 19 $115
81001 Manual urinalysis test with examination using microscope, automated 21 18 $3
80061 Blood test, lipids (cholesterol and triglycerides) 19 15 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 15 15 $115
82306 Vitamin d-3 level 12 11 $29
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 11 11 $13

In context: peer comparison

Among 3 peers in Norwalk Nurse Practitioner, average services per provider: 66. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
544
Patients
134
Total drug cost
$7,592
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 87 27 $856
Amlodipine Besylate Generic 59 21 $565
Levothyroxine Sodium Generic 59 17 $1,065
Lisinopril Generic 41 12 $515
Rosuvastatin Calcium Generic 41 11 $900
Metformin Hcl Generic 36 0 $96
Pantoprazole Sodium Generic 36 13 $592
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 33 0 $788
Losartan Potassium Generic 29 11 $329
Metoprolol Succinate Generic 25 11 $603

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Kokoska's medical specialty?
Dr. Mary Kokoska practices Nurse Practitioner in Norwalk, CT.
Where does Dr. Mary Kokoska practice?
Dr. Mary Kokoska practices at 40 Cross St, Norwalk, CT 06851. Office phone: 2038454800.
What is Dr. Mary Kokoska's NPI?
Dr. Mary Kokoska's National Provider Identifier (NPI) is 1447453527, issued by NPPES.
Does Dr. Mary Kokoska accept Medicare assignment?
Yes. Dr. Mary Kokoska accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Kokoska commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.