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- 820 N Chelan Ave, Wenatchee, WA 98801
About Dr. Lammert
Gregory A. Lammert, M.D. is a healthcare provider in Wenatchee, WA specializing in surgery. Gregory trained at Loma Linda University School of Medicine, graduating in 2013. According to Medicare claims data, Gregory cared for 227 Medicare patients across 235 services. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1215279252.
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
- (509) 663-8711
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
820 N CHELAN AVE
Wenatchee, WA 98801
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
- Blood Clot Removal Surgery
- Carotid endarterectomy
- Leg bypass surgery
- Varicose vein removal
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
235 services · 227 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
23 | More often than most peers in Surgery |
| Imaging of lymph nodes during surgery | Procedure | 38900 |
21 | More often than most peers in Surgery |
| Removal of growth of breast identified by x-ray marker, first growth | Procedure | 19125 |
11 | Less 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 |
57 | More often 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 |
47 | More often than most 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 |
32 | As often as other peers in Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
17 | As often as other 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 |
16 | Less often than most peers in Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
11 | 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.
Other general surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 31 related providers in 4 groups
Other general surgeons in Wenatchee 7
Same specialty, same city.
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Loma Linda University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy or removal of deep lymph nodes of underarm 8
Providers in WA who bill this service to Medicare most often.
Common questions
What is Gregory A. Lammert's specialty?
Gregory A. Lammert is a general surgeon in Wenatchee, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where can I find Gregory A. Lammert?
Gregory A. Lammert is listed at 820 N Chelan Ave, Wenatchee, WA 98801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gregory A. Lammert?
The number on file is (509) 663-8711. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory A. Lammert's NPI number?
Gregory A. Lammert's National Provider Identifier is 1215279252. 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 Gregory A. Lammert's education?
Gregory A. Lammert attended Loma Linda University School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory A. Lammert been practicing?
Gregory A. Lammert has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What is Gregory A. Lammert known for?
According to Medicare billing data, Gregory A. Lammert performs procedures including biopsy or removal of deep lymph nodes of underarm, imaging of lymph nodes during surgery and removal of growth of breast identified by x-ray marker, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gregory A. Lammert confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory A. Lammert. If this is you, claiming it is free.
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