Kirsten Sobkowich, APRN
NPI 1891431771 · Nurse Practitioner · Groton, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kirsten Sobkowich, APRN is a Nurse Practitioner provider in Groton, MA (NPI 1891431771).
Provider details
- NPI number
- 1891431771
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- RN2368610 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
580 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 308 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 237 | $83 |
| Urinalysis, Manual Test81002 | 22 | $3 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $120 |
Typical Medicare-allowed amounts for these services range $3–$120 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 111 | 48 |
| Lisinopril | 86 | 36 |
| Losartan Potassium | 67 | 34 |
| Amlodipine Besylate | 63 | 28 |
| Levothyroxine Sodium | 57 | 25 |
| Rosuvastatin Calcium | 55 | 24 |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,528 across 61 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-05-12
- Last updated
- 2022-08-25
- Certified
- 2022-08-25
Frequently asked questions
- What is Kirsten Sobkowich's NPI number?
- Kirsten Sobkowich's National Provider Identifier (NPI) is 1891431771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kirsten Sobkowich's specialty?
- Kirsten Sobkowich is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kirsten Sobkowich located?
- Kirsten Sobkowich's practice location on file with NPPES is 100 Boston Rd Ste E, Groton, MA 01450-1879.
- What is Kirsten Sobkowich's phone number?
- The practice phone number listed in the NPPES registry for Kirsten Sobkowich is (978) 448-4300.
- Does Kirsten Sobkowich accept Medicare?
- Kirsten Sobkowich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kirsten Sobkowich's NPI active?
- Yes — Kirsten Sobkowich's NPI (1891431771) is active in the NPPES registry as of the last update on 2022-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.