John Dokko, DO
NPI 1003804550 · Nephrology Physician · Berkeley Heights, NJ
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Dokko, DO is a Nephrology Physician provider in Berkeley Heights, NJ (NPI 1003804550).
Provider details
- NPI number
- 1003804550
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 25MB07449300 (NJ)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,523 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 414 | $138 |
| 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 | 371 | $18 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 248 | $82 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 213 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 161 | $10 |
| Creatinine Level to Test for Kidney Function Or Muscle Injury |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 142 | 39 |
| Atorvastatin Calcium | 116 | 30 |
| Pentoxifylline | 95 | 20 |
| Valsartan | 65 | 16 |
| Sodium Polystyrene Sulfonate | 48 | 15 |
| Losartan Potassium | 46 | 12 |
| Lisinopril | 44 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-10
- Last updated
- 2026-02-16
- Certified
- 2026-02-16
Frequently asked questions
- What is John Dokko's NPI number?
- John Dokko's National Provider Identifier (NPI) is 1003804550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dokko's specialty?
- John Dokko is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is John Dokko located?
- John Dokko's practice location on file with NPPES is 1 Diamond Hill Rd, Berkeley Heights, NJ 07922-2104.
- What is John Dokko's phone number?
- The practice phone number listed in the NPPES registry for John Dokko is (908) 273-4300.
- Does John Dokko accept Medicare?
- John Dokko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Dokko's NPI active?
- Yes — John Dokko's NPI (1003804550) is active in the NPPES registry as of the last update on 2026-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.