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Edit this profileAt a glance
- Banner-University Medical Center Tucson, 1501 N. Cambell Ave Suite 4325, Tucson, AZ 85724
About Dr. Guerrero
Based in Tucson, AZ, Marlon A. Guerrero, M.D. is listed in the NPI registry under surgery. Marlon graduated from Meharry Medical College School of Medicine in 2003. According to Medicare claims data, Marlon cared for 427 Medicare patients across 448 services. 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, fine needle aspiration biopsy using ultrasound guidance, first growth, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1487822516 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
- (520) 626-2635
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
BANNER-UNIVERSITY MEDICAL CENTER TUCSON 1501 N. CAMBELL AVE SUITE 4325
Tucson, AZ 85724
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
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
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
448 services · 427 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
105 | More than most peers in Surgery |
| Removal or exploration of parathyroid glands | Procedure | 60500 |
36 | More often than most peers in Surgery |
| Fine needle aspiration biopsy using ultrasound guidance, each additional growth | Procedure | 10006 |
13 | Less often than most 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 |
109 | More than most peers in Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
77 | More often than most peers in 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 |
52 | More often than most peers in Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
23 | 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 |
21 | Less often than most peers in Surgery |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
12 | 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.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
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 Tucson 8
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at Meharry Medical College School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Meharry Medical College School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Fine needle aspiration biopsy using ultrasound guidance, first growth 4
Providers in AZ who bill this service to Medicare most often.
Common questions
What kind of doctor is Marlon A. Guerrero?
Marlon A. Guerrero is a general surgeon in Tucson, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
What is Marlon A. Guerrero's address?
Marlon A. Guerrero is listed at Banner-University Medical Center Tucson 1501 N. Cambell Ave Suite 4325, Tucson, AZ 85724. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marlon A. Guerrero?
The number on file is (520) 626-2635. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marlon A. Guerrero's NPI number?
Marlon A. Guerrero's National Provider Identifier is 1487822516. 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 Marlon A. Guerrero train?
Marlon A. Guerrero attended Meharry Medical College School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Marlon A. Guerrero been practicing?
Marlon A. Guerrero has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marlon A. Guerrero perform?
According to Medicare billing data, Marlon A. Guerrero performs procedures including fine needle aspiration biopsy using ultrasound guidance, first growth, removal or exploration of parathyroid glands and fine needle aspiration biopsy using ultrasound guidance, each additional growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marlon A. Guerrero confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marlon A. Guerrero. If this is you, claiming it is free.
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