Doctor profile · Federal record

Dr. Kirsten Sobkowich, APRN

Nurse Practitioner · Groton, MA

  • NPI 1891431771
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Boston RD Ste E
Groton, MA 014501879
(978) 448-4300
fax (978) 448-4040

Credentials & registration

NPPES · NUCC
NPI registered
May 2022 — 4 yrs on file
Profile last updated
August 25, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #RN2368610

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891431771. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
375
Distinct HCPCS
3
Medicare allowed
$35,013
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 235 153 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 129 107 $118
81002 Urinalysis, manual test 11 11 $3

In context: peer comparison

Among 1 peers in Groton Nurse Practitioner, average services per provider: 125. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,528
Transactions
59
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 8 $304.00
Ucb, INC. 6 $187.96
Amgen INC. 8 $182.32
Kiniksa Pharmaceuticals International, Plc 7 $170.59
Novo Nordisk INC 7 $139.43
Lilly USA, LLC 7 $135.35
Sandoz INC. 3 $71.76
AstraZeneca Pharmaceuticals Lp 3 $68.73
Astellas Pharma US INC 3 $59.35
Fresenius Kabi USA, LLC 2 $42.69
Exact Sciences Corporation 1 $31.47
Genzyme Corporation 1 $28.84
GlaxoSmithKline, LLC. 1 $26.36
Pfizer INC. 1 $25.10
Novartis Pharmaceuticals Corporation 1 $19.24

By nature of payment

Food and Beverage
$1,528

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
678
Patients
284
Total drug cost
$23,239
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 98 39 $2,162
Lisinopril Generic 74 30 $674
Amlodipine Besylate Generic 66 32 $471
Rosuvastatin Calcium Generic 63 23 $3,100
Losartan Potassium Generic 45 22 $849
Simvastatin Generic 43 15 $366
Levothyroxine Sodium Generic 42 19 $540
Prednisone Generic 39 30 $294
Metoprolol Succinate Generic 37 14 $1,341
Omeprazole Generic 37 12 $790

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kirsten Sobkowich's medical specialty?
Dr. Kirsten Sobkowich practices Nurse Practitioner in Groton, MA.
Where does Dr. Kirsten Sobkowich practice?
Dr. Kirsten Sobkowich practices at 100 Boston RD Ste E, Groton, MA 014501879. Office phone: 9784484300.
What is Dr. Kirsten Sobkowich's NPI?
Dr. Kirsten Sobkowich's National Provider Identifier (NPI) is 1891431771, issued by NPPES.
Does Dr. Kirsten Sobkowich accept Medicare assignment?
Yes. Dr. Kirsten Sobkowich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kirsten Sobkowich commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.