William Rittinger, D.O.
NPI 1730234618 · Anesthesiology Physician · Grand Blanc, MI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Rittinger, D.O. is a Anesthesiology Physician provider in Grand Blanc, MI (NPI 1730234618).
Provider details
- NPI number
- 1730234618
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 220982 (MA)
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
204 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 31 | $77 |
| Anesthesia for Lens Surgery00142 | 25 | $69 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 24 | $237 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 21 | $60 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 16 | $64 |
| Ultrasonic Guidance for Needle Placement76942 | 16 | $30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2007-09-26
Frequently asked questions
- What is William Rittinger's NPI number?
- William Rittinger's National Provider Identifier (NPI) is 1730234618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Rittinger's specialty?
- William Rittinger is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Rittinger located?
- William Rittinger's practice location on file with NPPES is 2432 Genesys Pkwy, Grand Blanc, MI 48439-8069.
- What is William Rittinger's phone number?
- The practice phone number listed in the NPPES registry for William Rittinger is (810) 606-6649.
- Does William Rittinger accept Medicare?
- William Rittinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Rittinger's NPI active?
- Yes — William Rittinger's NPI (1730234618) is active in the NPPES registry as of the last update on 2007-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.