Derek Dobalian, MD
NPI 1235225467 · Gastroenterology Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Dobalian, MD is a Gastroenterology Physician provider in Long Beach, CA (NPI 1235225467).
Provider details
- NPI number
- 1235225467
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G48996 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
42 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 42 | $194 |
Typical Medicare-allowed amounts for these services range $194–$194 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 108 | 38 |
| Atorvastatin Calcium | 48 | — |
| Famotidine | 43 | — |
| Amlodipine Besylate | 37 | — |
| Phenytoin | 28 | — |
| Insulin Nph Human Isophanebrand: Humulin N Kwikpen | 27 | — |
| Apixabanbrand: Eliquis | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2010-08-25
Frequently asked questions
- What is Derek Dobalian's NPI number?
- Derek Dobalian's National Provider Identifier (NPI) is 1235225467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Dobalian's specialty?
- Derek Dobalian is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Dobalian located?
- Derek Dobalian's practice location on file with NPPES is 3816 Woodruff Ave, Long Beach, CA 90808.
- What is Derek Dobalian's phone number?
- The practice phone number listed in the NPPES registry for Derek Dobalian is (562) 420-7670.
- Does Derek Dobalian accept Medicare?
- Derek Dobalian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Dobalian's NPI active?
- Yes — Derek Dobalian's NPI (1235225467) is active in the NPPES registry as of the last update on 2010-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.