Dean Nickles, MD
NPI 1255390050 · Internal Medicine Physician · Emeryville, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dean Nickles, MD is a Internal Medicine Physician provider in Emeryville, CA (NPI 1255390050).
Provider details
- NPI number
- 1255390050
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G44039 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,108 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 837 | $93 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 424 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 300 | $154 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 292 | $136 |
| Administration of Influenza Virus VaccineG0008 | 94 | $38 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 728 | 213 |
| Amlodipine Besylate | 482 | 141 |
| Lisinopril | 376 | 103 |
| Losartan Potassium | 293 | 83 |
| Hydrochlorothiazide | 251 | 81 |
| Levothyroxine Sodium | 209 | 59 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Additional practice locations (1)
- 350 30th StSuite 320Oakland, CA 94609-3424Phone: (510) 465-6700Fax: (510) 465-7765
Registry dates
- Enumerated
- 2006-03-21
- Last updated
- 2024-04-22
- Certified
- 2024-04-22
Frequently asked questions
- What is Dean Nickles's NPI number?
- Dean Nickles's National Provider Identifier (NPI) is 1255390050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dean Nickles's specialty?
- Dean Nickles is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dean Nickles located?
- Dean Nickles's practice location on file with NPPES is 5800 Hollis St, Emeryville, CA 94608-2016.
- What is Dean Nickles's phone number?
- The practice phone number listed in the NPPES registry for Dean Nickles is (510) 806-2100.
- Does Dean Nickles accept Medicare?
- Dean Nickles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dean Nickles's NPI active?
- Yes — Dean Nickles's NPI (1255390050) is active in the NPPES registry as of the last update on 2024-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.