STEPHEN PAUL KAJENCKI M.D.
NPI 1073521753
Family Medicine in Mansfield, MA

Q: What is Stephen Kajencki's NPI number?

The NPI number for Stephen Kajencki is 1073521753. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Q: What is Stephen Kajencki's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Kajencki was last updated on June 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.

Active since August 04, 2006PECOS EnrolledAccepts Medicare Assignment

800 S MAIN ST, SUITE 304, MANSFIELD, MA 02048(508) 964-5560(508) 964-5570 Get Directions Write a Review

NPPES record last updated: June 17, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Stephen Paul Kajencki M.d. NPPES

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

STEPHEN PAUL KAJENCKI M.D. (NPI 1073521753) is an individual family medicine provider in Mansfield, Massachusetts, licensed in Massachusetts (72749) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Sturdy Memorial Hospital, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1983).

NPPES Registry Identity

NPI1073521753

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameSTEPHEN PAUL KAJENCKICredential: M.D.

Location Address800 S MAIN ST, SUITE 304Mansfield, MA 02048-3144

Mailing Address800 S Main St, Suite 304Mansfield, MA 02048-3144 · (508) 964-5560 · Fax (508) 964-5570

Phone(508) 964-5560

Fax(508) 964-5570

Sole ProprietorNo

Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1983

Enumeration DateAugust 4, 2006

Last NPPES UpdateJune 17, 2020

NPPES CertifiedJune 17, 2020

✔ NPI 1073521753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MA · 72749

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

800 S MAIN ST, Mansfield, MA 02048

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Other Identifiers 8

Other0102003Uhc

Other7535MA · Hphc

Other342MA · Fallon

Other725893MA · Tufts

Medicaid3064565MA

OtherJ09823MA · Mabc

OtherB10041301MA · Cigna

Other202367Ri Blue Chip

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

Stephen Paul Kajencki 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 ID6103813191

PECOS Enrollment IDI20141121000201

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 Reassignments

Medicare enrollment records show Stephen Kajencki reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Revere Medical Of Massachusetts, PC

10 mi

Internal Medicine

1 PEARL ST STE 2100
Brockton, MA 02301

Reassigned Medicare billing, Massachusetts enrollment
264 clinicians in this Medicare group

NPI 1336976539 (508) 897-6040

Steward Medical Group, Inc

25 mi

Specialist

9 GALEN ST
Watertown, MA 02472

Reassigned Medicare billing, Massachusetts enrollment
991 clinicians in this Medicare group

NPI 1629398219 (615) 467-4474

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 12

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.

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.

306 services214 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

160 services119 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

118 services118 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

111 services79 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

68 services13 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

45 services45 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

29 services28 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

28 services28 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

22 services20 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

16 services15 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.

14 services13 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sturdy Memorial Hospital

Acute Care Hospitals · Attleboro, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220008

Location211 Park StreetAttleboro, MA 02703 · Bristol County

Emergency services Birthing friendly

Morton Hospital

Acute Care Hospitals · Taunton, MA

1/5 CMS rating

OwnershipProprietary

CMS Certification Number220073

Location88 Washington StreetTaunton, MA 02780 · Bristol County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02048 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

13 suppliers56 claims97 services$5.67 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

5 suppliers11 claims11 services$0.83 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

5 suppliers14 claims14 services$34.22 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

5 suppliers15 claims15 services$67.52 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

5 suppliers15 claims42 services$27.03 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

5 suppliers11 claims11 services$17.33 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

TENDER LOVING CARE HEALTH CARE SERVICES OF NEW ENGLAND, L.L.C.

Home Health

800 S MAIN ST, SUITE 202
MANSFIELD, MA 02048

Bristol County (508) 337-3310

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 Stephen Kajencki's NPI number?

The NPI number for Stephen Kajencki is 1073521753. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Where is Stephen Kajencki located?

Stephen Kajencki practices at 800 S Main St Suite 304, Mansfield, MA 02048. The listed phone number is (508) 964-5560.

What is Stephen Kajencki's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Stephen Kajencki enrolled in Medicare?

Yes. Stephen Kajencki 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 organizations bill Medicare for Stephen Kajencki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Kajencki reassigns Medicare benefits to 2 organizations: Revere Medical Of Massachusetts, PC (Brockton, MA) and Steward Medical Group, Inc (Watertown, MA). Each 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 Stephen Kajencki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Stephen Kajencki affiliated with any hospitals?

According to CMS data, Stephen Kajencki is affiliated with Sturdy Memorial Hospital and Morton Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Kajencki was last updated on June 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.