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Edit this profileAt a glance
- 155 Calle Portal Ste 300, Sierra Vista, AZ 85635
About Christine Grassman
Listed in the NPI registry as a nurse practitioner — family, Christine Grassman, NP practices in Sierra Vista, AZ. Medicare claims data shows Christine provided 47 services to 38 patients. The services billed most often include insertion of needle into vein for collection of blood sample and hemoglobin a1c level. NPI 1689111817 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (520) 459-3011
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
155 CALLE PORTAL STE 300
Sierra Vista, AZ 85635
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
- Medicare annual wellness visit
- Travel Vaccines for Kids
- Well-child visit
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
- Allergy testing
Diagnostic tests
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
47 services · 38 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
26 | Less often than most peers in Nurse Practitioner, Family |
| Hemoglobin a1c level | Lab test | 83036 |
21 | Less often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other nurse practitioners in Sierra Vista 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What does Christine Grassman specialize in?
Christine Grassman is a nurse practitioner in Sierra Vista, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Christine Grassman located?
Christine Grassman is listed at 155 Calle Portal Ste 300, Sierra Vista, AZ 85635. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Christine Grassman's phone number?
The number on file is (520) 459-3011. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Christine Grassman?
Christine Grassman's National Provider Identifier is 1689111817. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Christine Grassman train?
Christine Grassman attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Christine Grassman have?
Christine Grassman has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Christine Grassman do most often?
According to Medicare billing data, Christine Grassman performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Christine Grassman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Christine Grassman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.