CHRISTINE GRASSMAN NP
NPI 1689111817
Nurse Practitioner - Family in Sierra Vista, AZ

Active since January 25, 2017PECOS EnrolledAccepts Medicare Assignment
155 CALLE PORTAL STE 300, SIERRA VISTA, AZ 85635(520) 459-3011(520) 364-4261 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2023, May 9, 2018, Jan 25, 2017 (3 updates tracked since 2017).

About Christine Grassman Np NPPES

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

CHRISTINE GRASSMAN NP (NPI 1689111817) is an individual family provider in Sierra Vista, Arizona, licensed in Arizona (AP8680) and active in the NPI registry since January 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1689111817
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCHRISTINE GRASSMANCredential: NP
Location Address155 CALLE PORTAL STE 300Sierra Vista, AZ 85635-2900
Mailing AddressPo Box 3Tombstone, AZ 85638-0003 · (520) 266-2293
Fax(520) 364-4261
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJanuary 25, 2017
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
NPI 1689111817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in AZ · AP8680
155 CALLE PORTAL STE 300, Sierra Vista, AZ 85635

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Christine Grassman Np 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 ID1052676939
PECOS Enrollment IDI20180523002741
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.

Areas of Expertise CMS Part B claims 2

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
26 services24 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.
21 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85635 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers13 claims13 services$78.77 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 16

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

Nurse Practitioner (Psychiatric/Mental Health)
155 CALLE PORTAL STE 300
SIERRA VISTA, AZ 85635
Marriage & Family Therapist
155 CALLE PORTAL STE 300
SIERRA VISTA, AZ 85635
Nurse Practitioner (Family)
155 CALLE PORTAL STE 300
SIERRA VISTA, AZ 85635
Internal Medicine
155 CALLE PORTAL STE 300
SIERRA VISTA, AZ 85635
Dentist
155 CALLE PORTAL STE 300
SIERRA VISTA, AZ 85635
Counselor (Professional)
155 CALLE PORTAL STE 300
SIERRA VISTA, AZ 85635
Internal Medicine
155 CALLE PORTAL STE 300
SIERRA VISTA, AZ 85635
Nurse Practitioner (Family)
155 CALLE PORTAL STE 300
SIERRA VISTA, AZ 85635

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 Christine Grassman's NPI number?

The NPI number for Christine Grassman is 1689111817. It was assigned to this individual provider in the NPPES registry on January 25, 2017.

Where is Christine Grassman located?

Christine Grassman practices at 155 Calle Portal Ste 300, Sierra Vista, AZ 85635. The listed phone number is (520) 459-3011.

What is Christine Grassman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Christine Grassman enrolled in Medicare?

Yes. Christine Grassman 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.

What insurance does Christine Grassman accept?

Health plans from Ambetter from Arizona Complete Health and Blue Cross Blue Shield of Arizona list Christine Grassman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Christine Grassman was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.