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Edit this profileWhere to find Theodore J. Vanderkooi, M.D.
- Muskegon location main office
1316 Mercy Dr, Suite 201, Muskegon, MI 49444 - Fremont location
230 W Oak St, Suite 201, Fremont, MI 49412
About Dr. Vanderkooi
Theodore J. Vanderkooi, M.D. is a healthcare provider in Muskegon, MI specializing in surgery. Theodore trained at University of Michigan Medical School, graduating in 1995. According to Medicare claims data, Theodore cared for 79 Medicare patients across 96 services. The services billed most often include subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes. This provider record is associated with NPI 1801849120.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (231) 739-9461
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1316 MERCY DR SUITE 201
Muskegon, MI 49444
230 W Oak St Suite 201
Fremont, MI 49412
Conditions Commonly Evaluated or Treated
Within Surgery (Unspecified) 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
Most searched conditions
Breast conditions
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Procedures & services
Endocrine
Vascular
- Blood Clot Removal Surgery
- Carotid endarterectomy
- Leg bypass surgery
- Varicose vein removal
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
Diagnostic
Digestive
Digestive health
Infections
Minor surgery
- Fishhook or embedded splinter removal
- Ingrown toenail removal
Post-op care
Reconstruction
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
Vascular & cancer
Weight loss
Wound care
Procedures Most Often Billed to Medicare
96 services · 79 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
34 | As often as other peers in Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | Less often than most peers in Surgery |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
22 | As often as other peers in Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 | Less often than most peers in Surgery |
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 general surgeons 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 general surgeons in Muskegon 2
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of Michigan Medical School 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Theodore J. Vanderkooi specialize in?
Theodore J. Vanderkooi is a general surgeon in Muskegon, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where is Theodore J. Vanderkooi located?
Theodore J. Vanderkooi is listed at 1316 Mercy Dr Suite 201, Muskegon, MI 49444. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Theodore J. Vanderkooi's phone number?
The number on file is (231) 739-9461. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Theodore J. Vanderkooi's NPI number?
Theodore J. Vanderkooi's National Provider Identifier is 1801849120. 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
Where did Theodore J. Vanderkooi train?
Theodore J. Vanderkooi attended University of Michigan Medical School, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Theodore J. Vanderkooi been practicing?
Theodore J. Vanderkooi has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Theodore J. Vanderkooi do most often?
According to Medicare billing data, Theodore J. Vanderkooi the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Theodore J. Vanderkooi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Theodore J. Vanderkooi. If this is you, claiming it is free.
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