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Edit this profileAt a glance
- 120 Mineola Blvd, Suite 320, Mineola, NY 11501
About Dr. Allendorf
Based in Mineola, NY, John D. Allendorf, M.D. is listed in the NPI registry under general surgery. John graduated from Columbia University College of Physicians and Surgeons in 1997. John is also listed as specializing in surgery and surgery of the hand. Medicare claims data shows John provided 315 services to 308 patients. The services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more, and insertion of needle into vein for collection of blood sample. NPI 1740364397 identifies this record in the national registry.
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
- (516) 663-3300
- Email not available
Practice Locations
120 MINEOLA BLVD SUITE 320
Mineola, NY 11501
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
Anorectal
Appendix, bowel, and emergency
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Abdominal
Abdominal wall
Breast
Colorectal
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
Endocrine
Gastrointestinal
Hernia
Infections
Lymphatic
Oncology
Procedures & services
Most searched procedures
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
Hernia repair
Skin and soft tissue
Abdominal surgery
Abdominal wall
Access and nutrition
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
Colorectal
Colorectal surgery
Digestive procedures
Endocrine surgery
Gastrointestinal
Hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
Wound care
Procedures Most Often Billed to Medicare
315 services · 308 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
44 | More often than most peers in General Surgery |
| Removal or exploration of parathyroid glands | Procedure | 60500 |
29 | More often than most peers in General Surgery |
| Removal of thyroid lobe on side of neck | Procedure | 60220 |
11 | Too few peers to compare |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
74 | More than most peers in General Surgery |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
64 | More than most peers in General Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
40 | As often as other peers in General Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
19 | As often as other peers in General Surgery |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | Billing code | G0180 |
12 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
11 | Less often than most peers in General Surgery |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
11 | 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 1
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 Mineola 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is John D. Allendorf?
John D. Allendorf is a general surgeon in Mineola, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
What is John D. Allendorf's address?
John D. Allendorf is listed at 120 Mineola Blvd Suite 320, Mineola, NY 11501. 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 D. Allendorf?
The number on file is (516) 663-3300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John D. Allendorf?
John D. Allendorf's National Provider Identifier is 1740364397. 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 D. Allendorf train?
John D. Allendorf attended Columbia University College of Physicians and Surgeons, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John D. Allendorf have?
John D. Allendorf has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does John D. Allendorf perform?
According to Medicare billing data, John D. Allendorf performs procedures including insertion of needle into vein for collection of blood sample, removal or exploration of parathyroid glands and removal of thyroid lobe on side of neck, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John D. Allendorf's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John D. Allendorf. If this is you, claiming it is free.
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