Christine Garrity, CRNP
NPI 1821590878 · Family Nurse Practitioner · California, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Garrity, CRNP is a Family Nurse Practitioner provider in California, MD (NPI 1821590878).
Provider details
- NPI number
- 1821590878
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R206492 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
2,237 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 | 392 | $96 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 337 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 269 | $74 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 203 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 170 | $8 |
| Hemoglobin A1c Level83036 | 153 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 258 | 78 |
| Amlodipine Besylate | 168 | 49 |
| Losartan Potassium | 99 | 35 |
| Lisinopril | 99 | 33 |
| Levothyroxine Sodium | 75 | 16 |
| Metformin Hcl | 73 | 25 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$410 across 20 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
- 2018-03-06
- Last updated
- 2024-03-26
- Certified
- 2023-11-15
Frequently asked questions
- What is Christine Garrity's NPI number?
- Christine Garrity's National Provider Identifier (NPI) is 1821590878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Garrity's specialty?
- Christine Garrity is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christine Garrity located?
- Christine Garrity's practice location on file with NPPES is 22590 Shady Ct, California, MD 20619.
- What is Christine Garrity's phone number?
- The practice phone number listed in the NPPES registry for Christine Garrity is (301) 373-7900.
- Does Christine Garrity accept Medicare?
- Christine Garrity is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Garrity's NPI active?
- Yes — Christine Garrity's NPI (1821590878) is active in the NPPES registry as of the last update on 2024-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.