John Del Valle, MD
NPI 1003998535 · Gastroenterology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Del Valle, MD is a Gastroenterology Physician provider in Ann Arbor, MI (NPI 1003998535).
Provider details
- NPI number
- 1003998535
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301046115 (MI)
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
19 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
49 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 | 49 | $98 |
Typical Medicare-allowed amounts for these services range $98–$98 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 91 | 18 |
| Pantoprazole Sodium | 49 | — |
| Omeprazole | 35 | 14 |
| Adalimumabbrand: Humira(cf) Pen | 24 | — |
| Azathioprine | 23 | — |
| Mesalamine | 21 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 20 | 19 |
Practice location
Mailing address
Additional practice locations (1)
- 1500 East Medical Center Dr3rd Floor Taubman Ctr Recp DAnn Arbor, MI 48109-5362Phone: (734) 647-5944
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2024-02-02
- Certified
- 2024-02-02
Frequently asked questions
- What is John Del Valle's NPI number?
- John Del Valle's National Provider Identifier (NPI) is 1003998535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Del Valle's specialty?
- John Del Valle is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Del Valle located?
- John Del Valle's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is John Del Valle's phone number?
- The practice phone number listed in the NPPES registry for John Del Valle is (734) 936-4000.
- Does John Del Valle accept Medicare?
- John Del Valle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Del Valle's NPI active?
- Yes — John Del Valle's NPI (1003998535) is active in the NPPES registry as of the last update on 2024-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.