Christopher Grantham, M.D.
NPI 1598761363 · Anesthesiology Physician · Oro Valley, AZ
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Grantham, M.D. is a Anesthesiology Physician provider in Oro Valley, AZ (NPI 1598761363).
Provider details
- NPI number
- 1598761363
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 20235 (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
21 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
216 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) |
|---|---|---|
| Anesthesia for Electroshock Therapy00104 | 68 | $112 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 36 | $64 |
| Ultrasonic Guidance for Needle Placement76942 | 27 | $31 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 22 | $338 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 15 | $101 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 14 | $138 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$36 across 1 record (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
- 2005-06-24
- Last updated
- 2020-12-16
- Certified
- 2020-12-16
Frequently asked questions
- What is Christopher Grantham's NPI number?
- Christopher Grantham's National Provider Identifier (NPI) is 1598761363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Grantham's specialty?
- Christopher Grantham is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Grantham located?
- Christopher Grantham's practice location on file with NPPES is 1551 E Tangerine Rd, Oro Valley, AZ 85755-6213.
- What is Christopher Grantham's phone number?
- The practice phone number listed in the NPPES registry for Christopher Grantham is (520) 901-3559.
- Does Christopher Grantham accept Medicare?
- Christopher Grantham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Grantham's NPI active?
- Yes — Christopher Grantham's NPI (1598761363) is active in the NPPES registry as of the last update on 2020-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.