Are you John L. Holup, D.O.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1100 Grampian Blvd, Williamsport, PA 17701
About Dr. Holup
Based in Williamsport, PA, John L. Holup, D.O. is listed in the NPI registry under surgery. Medicare claims data shows John provided 2,837 services to 1,017 patients. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, removal of skin and tissue, 20.0 sq cm or less, and removal of muscle and/or tissue, 20.0 sq cm or less. NPI 1326010125 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (570) 326-8550
- Email not available
Practice Locations
1100 GRAMPIAN BLVD
Williamsport, PA 17701
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
- Anal fissure
- Anal fistula
- Hemorrhoids
- Lower gastrointestinal bleeding
- Rectal prolapse
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
- Ingrown toenail
Skin & scars
- Keloids and hypertrophic scars
Skin & soft tissue
- Epidermoid cyst
- Lipoma
- Pilonidal cyst
- Skin lump or bump
Skin cancer
Vascular
Weight & metabolism
Wound care
- Bedsores
- Post-surgery fever or infection
Wounds
Procedures & services
Most searched procedures
Abdominal
- Gynecologic laparoscopy
- Spleen removal
Abdominal surgery
- Small-bowel resection
- Stomach removal surgery
Bariatric
- Lap band removal
- Weight loss surgery revision
Breast surgery
Cancer
- Mastectomy
- Sentinel lymph-node biopsy
- Whipple procedure
Cancer surgery
- Esophagus removal surgery
- Liver tumor removal
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
- Pre-Op Clearance Exam
- Robotic surgery consultation
Diagnostic
- Colonoscopy
- Skin lump biopsy
Digestive
Digestive health
- Endoscopy
- Peroral endoscopic myotomy
Endocrine
Infections
Minor surgery
- Fishhook or embedded splinter removal
- Ingrown toenail removal
Post-op care
- Suture removal
Reconstruction
- Skin graft
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
- Excision of skin cancer
Vascular
- Blood Clot Removal Surgery
- Carotid endarterectomy
- Leg bypass surgery
- Varicose vein removal
Vascular & cancer
Weight loss
- Gastric bypass surgery
- Gastric sleeve surgery
Wound care
- Bed sore surgery
- Negative pressure wound therapy
Wounds
Procedures Most Often Billed to Medicare
2,837 services · 1,017 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
523 | More than most peers in Surgery |
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
279 | More often than most peers in Surgery |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
152 | More than most peers in Surgery |
| Removal of muscle and/or tissue, each additional 20.0 sq cm or less | Procedure | 11046 |
89 | As often as other peers in Surgery |
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
67 | More often than most peers in Surgery |
| Application of chemical to stop tissue regrowth in wound | Procedure | 17250 |
46 | As often as other peers in Surgery |
| Simple or single drainage of skin abscess | Procedure | 10060 |
12 | Too few peers to compare |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
829 | More often than most peers in Surgery |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
261 | As often as other peers in Surgery |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
175 | More 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.
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.
Also performs Removal of skin and tissue, 20.0 sq cm or less 6
Providers in PA who bill this service to Medicare most often.
Common questions
What is John L. Holup's specialty?
John L. Holup is a general surgeon in Williamsport, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where can I find John L. Holup?
John L. Holup is listed at 1100 Grampian Blvd, Williamsport, PA 17701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John L. Holup?
The number on file is (570) 326-8550. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John L. Holup?
John L. Holup's National Provider Identifier is 1326010125. 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
How much experience does John L. Holup have?
John L. Holup has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is John L. Holup known for?
According to Medicare billing data, John L. Holup performs procedures including removal of skin and tissue, 20.0 sq cm or less, removal of muscle and/or tissue, 20.0 sq cm or less and removal of muscle and/or tissue, each additional 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John L. Holup's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John L. Holup. If this is you, claiming it is free.
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