Robin Obenchain, MD
NPI 1508829094 · Hematology & Oncology Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robin Obenchain, MD is a Hematology & Oncology Physician provider in Chandler, AZ (NPI 1508829094).
Provider details
- NPI number
- 1508829094
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 35188 (AZ)
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
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
1,894 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) |
|---|---|---|
| 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 | 665 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 629 | $95 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 444 | $137 |
| Enhancing Oncology Model (eom) Monthly Enhanced Oncology Services (meos) Payment for Eom Enhanced ServicesM0010 | 144 | $69 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 12 | $160 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 100 | 36 |
| Palbociclibbrand: Ibrance | 35 | — |
| Ondansetron Hcl | 34 | 22 |
| Azithromycin | 33 | 27 |
| Letrozole | 31 | 16 |
| Warfarin Sodium | 31 | 13 |
| Alprazolam | 30 | 12 |
| Oxycodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-07
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Robin Obenchain's NPI number?
- Robin Obenchain's National Provider Identifier (NPI) is 1508829094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robin Obenchain's specialty?
- Robin Obenchain is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Robin Obenchain located?
- Robin Obenchain's practice location on file with NPPES is 1110 S Dobson Rd Ste 1, Chandler, AZ 85286-6164.
- What is Robin Obenchain's phone number?
- The practice phone number listed in the NPPES registry for Robin Obenchain is (623) 238-7540.
- Does Robin Obenchain accept Medicare?
- Robin Obenchain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robin Obenchain's NPI active?
- Yes — Robin Obenchain's NPI (1508829094) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.