What is John Modrzejewski's NPI number?

John Modrzejewski's National Provider Identifier (NPI) is 1831439413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Modrzejewski's specialty?

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

Where is John Modrzejewski located?

John Modrzejewski's practice location on file with NPPES is 15920 S Rancho Sahuarita Blvd Ste 120, Sahuarita, AZ 85629-8013.

What is John Modrzejewski's phone number?

The practice phone number listed in the NPPES registry for John Modrzejewski is (520) 575-1175.

Does John Modrzejewski accept Medicare?

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

Is John Modrzejewski's NPI active?

Yes — John Modrzejewski's NPI (1831439413) is active in the NPPES registry as of the last update on 2020-09-22.

IndividualActiveAccepts Medicare

John Modrzejewski, NP-C

NPI 1831439413 · Family Nurse Practitioner · Sahuarita, AZ

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

John Modrzejewski, NP-C is a Family Nurse Practitioner provider in Sahuarita, AZ (NPI 1831439413).

Provider details

NPI number: 1831439413
Entity type: Individual
Primary specialty: Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: NP-C
Sex: Male
Sole proprietor: No
License: AP4843 (AZ)

Specialties & taxonomies

Family Nurse PractitionerPrimary363LF0000XLicense AP4843 (AZ)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(78/100 index)

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

Registry tenure28% of score
13 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
3 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
642 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	275	$105
Insertion of Needle Into Vein for Collection of Blood Sample36415	166	$9
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	74	$105
Injection of Drug Or Substance Under Skin Or Into Muscle96372	55	$12
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	31	$75
Urinalysis, Manual Test81002	22

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 145 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Atorvastatin Calcium	554	169
Levothyroxine Sodium	470	142
Losartan Potassium	384	115
Metformin Hcl	340	99
Amlodipine Besylate	324	93
Lisinopril	323	108
Albuterol Sulfate

Practice location

15920 S Rancho Sahuarita Blvd Ste 120

Sahuarita, AZ 85629-8013

Phone: (520) 575-1175

Street-level locationGet directions

More AZ providers

Mailing address