Provider Profile
Catherine R. Ersig, CRNA
Unclaimed ProfileAbout Catherine Ersig
Catherine R. Ersig, CRNA is a certified registered nurse anesthetist based in Saginaw, MI. Medicare claims data shows Catherine provided 102 services to 99 patients. The services billed most often include anesthesia for lens surgery, anesthesia for other procedure on large bowel using an endoscope, and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (989) 583-6237
- Email not available
Practice Locations
1447 N HARRISON ST
Saginaw, MI 48602
44405 Woodward Ave
Pontiac, MI 48341
Conditions and Services Within This Provider's Scope
Within Certified Registered Nurse Anesthetist generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Acute Pain
- Broken Rib Pain
Anxiety & Phobias
- Claustrophobia During MRI
- Dental Anxiety
- Fear of Surgery or Needles
Face & Jaw
- Temporomandibular joint disorder
Head & Face
- Cluster Headaches
- Neck-Related Headaches
Joint Pain
- Hip osteoarthritis
- Knee osteoarthritis
- Shoulder Pain
Joints & Soft Tissue
- Bursitis
- Lateral hip pain and trochanteric bursitis
Maternity
- Labor Pain
Mental Health
- Bipolar Depression
- Generalized anxiety disorder
- OCD
- Postpartum depression
- PTSD (Post-Traumatic Stress Disorder)
- Treatment-resistant depression
Nerve Pain
- Carpal tunnel
- Complex Regional Pain Syndrome
- Diabetic neuropathy
- Occipital neuralgia
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Rib pain
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
- Trigeminal neuralgia
Pain
- Cancer pain
- Chronic pelvic pain
- Fibromyalgia
- Migraines
- Muscle knots and spasms
- Post-Surgery Pain
- Spinal headache
Pelvic & Abdominal
- Abdominal wall nerve pain
- Pudendal nerve pain
Sedation & Phobias
- Panic Attacks During Medical Procedures
- Special Needs Procedure Anxiety
Spine & Back
- Arthritis of the spine
- Chronic back pain
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Neck pain
- Sacroiliac joint pain
- Spinal Stenosis Pain
- Spondylolisthesis
- Tailbone pain
- Whiplash Pain
Procedures & services
Consultations
- Pre-Anesthesia Evaluation
General Anesthesia
- General anesthesia
Infusion Therapy
- Ketamine infusion therapy
- Lidocaine Infusion for Chronic Pain
Injections
- Caudal Epidural Injection
- Epidural steroid injection
- Facet joint injection
- Sacroiliac joint injection
- Transforaminal Epidural Injection
- Trigger Point Injections
Joint Injections
- Hip Joint Injection
- Knee Joint Injection
- Shoulder Joint Injection
Joints & Soft Tissue
- Bursa injection
Maternity
- Labor epidural
- Spinal spinal block
Nerve Blocks
- Celiac plexus block
- Lumbar sympathetic block
- Medial branch block
- Nerve Block Injection
- Occipital nerve block
- Sphenopalatine Ganglion (SPG) Block
- Stellate ganglion block
Pain Management
- Back Muscle Nerve Block
- Knee nerve block and ablation
- Knee Nerve Burning
- Pudendal nerve block
- Rib nerve block
- Spinal cord stimulator trial
- Superior hypogastric plexus block
Pain Relief Procedures
- Blood patch for spinal headache
- Continuous Nerve Catheter Placement
- Patient-Controlled Analgesia (PCA) Setup
- Radiofrequency ablation
Sedation
- Deep Sedation
- Emergency Pain Relief
- In-Office Anesthesia for Plastic Surgery
- Minimal dental sedation
- Moderate dental sedation
- Pediatric Dental Sedation
- Sedation for Colonoscopy and Endoscopy
- Sedation for Egg Retrieval
- Sedation for Eye Surgery
- Sedation for MRI
- Sedation for Vasectomy
Specialized Care
- Post-Operative Nausea Treatment
Surgical Pain Relief
- Abdominal Nerve Block
- Chest Wall Nerve Block
Vascular Access
- Central line placement in child
- Midline IV Catheter Placement
- Ultrasound-Guided IV Placement
Procedures Most Often Billed to Medicare
102 services · 99 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for lens surgery | Anaesthesia | 00142 |
28 | As often as other peers in Certified Registered Nurse… |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
26 | As often as other peers in Certified Registered Nurse… |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
19 | As often as other peers in Certified Registered Nurse… |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
18 | As often as other peers in Certified Registered Nurse… |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
11 | Less often than most peers in Certified Registered Nurse… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other certified registered nurse anesthetists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other certified registered nurse anesthetists in Saginaw 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for lens surgery 8
Providers in MI who bill this service to Medicare most often.
Common questions
What is Catherine R. Ersig's specialty?
Catherine R. Ersig is a certified registered nurse anesthetist in Saginaw, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Catherine R. Ersig?
Catherine R. Ersig is listed at 1447 N Harrison St, Saginaw, MI 48602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Catherine R. Ersig?
The number on file is (989) 583-6237. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Catherine R. Ersig?
Catherine R. Ersig's National Provider Identifier is 1215232863. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Catherine R. Ersig's education?
Catherine R. Ersig attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Catherine R. Ersig have?
Catherine R. Ersig has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What is Catherine R. Ersig known for?
According to Medicare billing data, Catherine R. Ersig provides treatments such as anesthesia for lens surgery and anesthesia for other procedure on large bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Catherine R. Ersig's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Catherine R. Ersig. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.