Jonathan Mellen, M.D.
NPI 1609919471 · Gastroenterology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Mellen, M.D. is a Gastroenterology Physician provider in Phoenix, AZ (NPI 1609919471).
Provider details
- NPI number
- 1609919471
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 210986 (AK)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
571 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 113 | $113 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 105 | $265 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $126 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 67 | $121 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 41 | $155 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 90 | 82 |
| Linaclotidebrand: Linzess | 74 | 20 |
| Pantoprazole Sodium | 73 | 24 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 52 | 13 |
| Omeprazole | 47 | 24 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 43 | 42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$476 across 21 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
Additional practice locations (2)
- 2490 S Woodworth Loop Ste 200Palmer, AK 99645-7410Phone: (907) 861-6315Fax: (907) 861-6533
- 2400 S Avenue aYuma, AZ 85364-7170Phone: (928) 336-3213
Registry dates
- Enumerated
- 2007-02-14
- Last updated
- 2025-01-02
- Certified
- 2025-01-02
Frequently asked questions
- What is Jonathan Mellen's NPI number?
- Jonathan Mellen's National Provider Identifier (NPI) is 1609919471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Mellen's specialty?
- Jonathan Mellen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Mellen located?
- Jonathan Mellen's practice location on file with NPPES is 9305 W Thomas Rd, Phoenix, AZ 85037-3375.
- What is Jonathan Mellen's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Mellen is (623) 236-8507.
- Does Jonathan Mellen accept Medicare?
- Jonathan Mellen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Mellen's NPI active?
- Yes — Jonathan Mellen's NPI (1609919471) is active in the NPPES registry as of the last update on 2025-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.