Cybil Corning, MD
NPI 1235337304 · Colon & Rectal Surgery Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cybil Corning, MD is a Colon & Rectal Surgery Physician provider in Tucson, AZ (NPI 1235337304).
Provider details
- NPI number
- 1235337304
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 46261 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
189 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 97 | $88 |
| Diagnostic Exam of Anus Using an Endoscope46600 | 53 | $113 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $161 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $124 |
Typical Medicare-allowed amounts for these services range $88–$161 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metronidazole | 65 | 63 |
| Neomycin Sulfate | 63 | 61 |
| Ondansetronbrand: Ondansetron Odt | 54 | 53 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 27 | 24 |
| Oxycodone Hcl | 21 | 21 |
| Enoxaparin Sodium | 12 | 12 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$364 across 14 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
Registry dates
- Enumerated
- 2007-07-10
- Last updated
- 2025-05-22
- Certified
- 2025-05-22
Frequently asked questions
- What is Cybil Corning's NPI number?
- Cybil Corning's National Provider Identifier (NPI) is 1235337304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cybil Corning's specialty?
- Cybil Corning is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Cybil Corning located?
- Cybil Corning's practice location on file with NPPES is 2625 N Craycroft Rd Ste 200, Tucson, AZ 85712-2268.
- What is Cybil Corning's phone number?
- The practice phone number listed in the NPPES registry for Cybil Corning is (520) 420-2580.
- Does Cybil Corning accept Medicare?
- Cybil Corning is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cybil Corning's NPI active?
- Yes — Cybil Corning's NPI (1235337304) is active in the NPPES registry as of the last update on 2025-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.