Ralph Patterson, M.D.
NPI 1558719468 · Family Medicine Physician · Eagar, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Patterson, M.D. is a Family Medicine Physician provider in Eagar, AZ (NPI 1558719468).
Provider details
- NPI number
- 1558719468
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 58002 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
103 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) |
|---|---|---|
| Hemoglobin A1c Level83036 | 42 | $10 |
| Urinalysis, Manual Test81002 | 31 | $3 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 19 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 11 | $124 |
Typical Medicare-allowed amounts for these services range $3–$124 (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 · 156 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 464 | 126 |
| Lisinopril | 449 | 120 |
| Levothyroxine Sodium | 328 | 94 |
| Amlodipine Besylate | 309 | 83 |
| Omeprazole | 282 | 67 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 262 | 70 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (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
- 2016-06-01
- Last updated
- 2019-11-18
Frequently asked questions
- What is Ralph Patterson's NPI number?
- Ralph Patterson's National Provider Identifier (NPI) is 1558719468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Patterson's specialty?
- Ralph Patterson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Patterson located?
- Ralph Patterson's practice location on file with NPPES is 606 N Main St, Eagar, AZ 85925-9813.
- What is Ralph Patterson's phone number?
- The practice phone number listed in the NPPES registry for Ralph Patterson is (928) 333-5333.
- Does Ralph Patterson accept Medicare?
- Ralph Patterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Patterson's NPI active?
- Yes — Ralph Patterson's NPI (1558719468) is active in the NPPES registry as of the last update on 2019-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.