Meredith Graham, NP
NPI 1558634337 · Family Nurse Practitioner · Lancaster, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Meredith Graham, NP is a Family Nurse Practitioner provider in Lancaster, CA (NPI 1558634337).
Provider details
- NPI number
- 1558634337
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 21605 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
99 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 55 | $104 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 44 | $150 |
Typical Medicare-allowed amounts for these services range $104–$150 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 98 | 91 |
| Baclofen | 45 | 45 |
| Fluticasone Propionate | 38 | 37 |
| Ondansetronbrand: Ondansetron Odt | 37 | 35 |
| Cephalexin | 35 | 31 |
| Dexamethasone | 35 | 35 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$51 across 2 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
- 2012-02-09
- Last updated
- 2012-02-09
Frequently asked questions
- What is Meredith Graham's NPI number?
- Meredith Graham's National Provider Identifier (NPI) is 1558634337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Meredith Graham's specialty?
- Meredith Graham is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Meredith Graham located?
- Meredith Graham's practice location on file with NPPES is 1600 W Avenue J, Lancaster, CA 93534-2814.
- What is Meredith Graham's phone number?
- The practice phone number listed in the NPPES registry for Meredith Graham is (661) 949-5130.
- Does Meredith Graham accept Medicare?
- Meredith Graham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Meredith Graham's NPI active?
- Yes — Meredith Graham's NPI (1558634337) is active in the NPPES registry as of the last update on 2012-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.