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Edit this profileWhere to find Mark A. Jonker, M.D.
- Brighton location main office
2305 Genoa Business Park Dr Ste 120, Brighton, MI 48114 - Worcester location
55 Lake Ave N, Department of Surgery, Worcester, MA 01655
About Dr. Jonker
Mark A. Jonker, M.D. is a healthcare provider in Brighton, MI specializing in general surgery. Mark trained at Medical College of Wisconsin, graduating in 2006. Mark is also listed as specializing in surgery. According to Medicare claims data, the services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. This provider record is associated with NPI 1780620039.
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
- (810) 494-6881
- Email not available
Practice Locations
2305 GENOA BUSINESS PARK DR STE 120
Brighton, MI 48114
55 Lake Ave N Department of Surgery
Worcester, MA 01655
Conditions Commonly Evaluated or Treated
Within General Surgery 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
- Appendicitis
- Breast cancer
- Gallstones
- Hernia
- Thyroid nodules
Anorectal
- Anal fissure
- Anal fistula
- Hemorrhoids
- Perianal abscess
- Rectal prolapse
Appendix, bowel, and emergency
- Diverticulitis
- Intra-abdominal abscess
- Mesenteric ischemia
- Peritonitis
Gallbladder and biliary
- Acute gallbladder inflammation
- Biliary dyskinesia
Hernia and abdominal wall
- Belly-button hernia
- Femoral hernia
- Groin hernia
- Hiatal hernia
- Incisional hernia
- Ventral hernia
Skin and soft tissue
- Epidermoid cyst
- Hidradenitis suppurativa
- Lipoma
- Skin and soft-tissue abscess
- Soft-tissue mass
Abdominal
- Enlarged spleen
Abdominal wall
Breast
- Benign breast disease
- Breast abscess
- Gynecomastia
Colorectal
- Pilonidal cyst
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
- Perforated bowel
Endocrine
Gastrointestinal
- Bowel obstruction
Hernia
- Diaphragmatic hernia
- Sports Hernia
- Strangulated Hernia
Infections
- Flesh-Eating Infection
Lymphatic
Oncology
Procedures & services
Most searched procedures
- Appendectomy
- Breast biopsy
- Gallbladder surgery
- Hernia repair surgery
- Lumpectomy
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
- Gallbladder removal
Hernia repair
- Laparoscopic groin-hernia repair
- Robotic hernia repair
Skin and soft tissue
- Incision and drainage of an abscess
- Lipoma removal
- Removal of a soft-tissue mass
Abdominal surgery
- Spleen removal
Abdominal wall
- Abdominal Muscle Separation Repair
Access and nutrition
- Jejunostomy feeding-tube placement
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
- Lymph Node Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
Colorectal
- Pilonidal cyst surgery
- Rectal prolapse repair
Colorectal surgery
- Colostomy Surgery
- Ileostomy Surgery
- Ostomy reversal
Digestive procedures
- Achalasia Surgery
- Acid reflux surgery
Endocrine surgery
- Partial Thyroid Removal
Gastrointestinal
- Feeding tube placement
Hernia surgery
- Sports hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
- Central line placement
- Chemo port placement
Wound care
- Wound cleaning and debridement
Procedures Most Often Billed to Medicare
15 services · 15 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
15 | Less often than most peers in General 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 2
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 Brighton 2
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Mark A. Jonker's specialty?
Mark A. Jonker is a general surgeon in Brighton, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where can I find Mark A. Jonker?
Mark A. Jonker is listed at 2305 Genoa Business Park Dr Ste 120, Brighton, MI 48114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark A. Jonker?
The number on file is (810) 494-6881. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark A. Jonker?
Mark A. Jonker's National Provider Identifier is 1780620039. 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 Mark A. Jonker's education?
Mark A. Jonker attended Medical College of Wisconsin, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark A. Jonker have?
Mark A. Jonker has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Mark A. Jonker known for?
According to Medicare billing data, Mark A. Jonker 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
Is Mark A. Jonker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark A. Jonker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.