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Edit this profileWhere to find John Gray
- Dayton location main office
1 Wyoming St Ste 4130, 100 N. Academy Ave M.c. 2150, Dayton, OH 45409 - Boise location
1075 N Curtis Rd Ste 101, Boise, ID 83706 - Greenville location
115 Heart Dr, Greenville, NC 27834
About John Gray
John Gray is a healthcare provider in Dayton, OH specializing in surgery. John trained at Duke University School of Medicine, graduating in 1985. John is also listed as specializing in vascular surgery. Medicare claims data shows John provided 266 services to 239 patients. The services billed most often include ultrasound study of arm or leg veins with compression and maneuvers, ultrasound of both sides of head and neck blood flow, and subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes. This provider record is associated with NPI 1215958715.
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
- (937) 438-8640
- Email not available
Practice Locations
1 WYOMING ST STE 4130 100 N. ACADEMY AVE M.C. 2150
Dayton, OH 45409
1075 N Curtis Rd Ste 101
Boise, ID 83706
115 Heart Dr
Greenville, NC 27834
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
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
Endocrine
Infections
Minor surgery
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
Vascular & cancer
Weight loss
Wound care
Wounds
Procedures Most Often Billed to Medicare
266 services · 239 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
21 | As often as other peers in Surgery |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
48 | As often as other peers in Surgery |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
48 | As often as other peers in Surgery |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
22 | Less often than most peers in Surgery |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
20 | Less often than most peers in Surgery |
| Ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93979 |
13 | Less often than most peers in Surgery |
| Ultrasound of one leg arteries or artery grafts | Treatment | 93926 |
13 | Less often than most peers in Surgery |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
31 | 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 |
27 | As often as other peers in Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
23 | As often as other 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.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 Dayton 8
Same specialty, same city.
More connections — 9 related providers in 2 groups
Trained at Duke University School of Medicine 1
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Duke University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is John Gray?
John Gray is a general surgeon in Dayton, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
What is John Gray's address?
John Gray is listed at 1 Wyoming St Ste 4130 100 N. Academy Ave M.c. 2150, Dayton, OH 45409. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John Gray?
The number on file is (937) 438-8640. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John Gray?
John Gray's National Provider Identifier is 1215958715. 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 John Gray train?
John Gray attended Duke University School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John Gray have?
John Gray has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does John Gray perform?
According to Medicare billing data, John Gray performs imaging including ultrasonic guidance for blood vessel access; provides treatments such as ultrasound study of arm or leg veins with compression and maneuvers and ultrasound of both sides of head and neck blood flow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John Gray's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John Gray. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.