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- 300 Ave Manuel Domenech, Hrplabs, San Juan, PR 00918
About Dr. Villarmarzo-Garcia
Based in San Juan, PR, Guillermo Villarmarzo-Garcia, MD is listed in the NPI registry under pathology. Guillermo is also listed as specializing in anatomic & clinical pathology. According to Medicare claims data, Guillermo cared for 244 Medicare patients across 324 services. The services billed most often include evaluation of fine needle aspirate, evaluation of fine needle aspirate with interpretation and report, and fine needle aspiration biopsy using ultrasound guidance, first growth. NPI 1518928738 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
- (787) 765-7320
- Email not available
Practice Locations
300 AVE MANUEL DOMENECH HRPLABS
San Juan, PR 00918
Conditions Evaluated or Diagnosed
Within Pathology 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
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Iron-deficiency anemia
- Leukemia
- Lymphoma
- Multiple Myeloma
- Sickle cell disease
Cancer
- Bladder cancer
- Bone tumors
- Brain tumor
- Breast cancer
- Cervical cancer
- Colon cancer
- Endometrial cancer
- Kidney cancer
- Liver cancer
- Lung cancer
- Oral cavity cancer
- Ovarian cancer
- Pancreatic cancer
- Prostate cancer
- Soft-tissue sarcoma
- Stomach cancer
- Testicular cancer
- Thyroid cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Procedures & services
Autopsy & Forensic
Blood Tests
- Blood Clotting Tests
- Blood Type Test
- Cholesterol screening
- Complete Blood Count
- Comprehensive Metabolic Panel
- Hemoglobin A1c Test
- Iron Level Blood Test
- Thyroid Blood Test
Cytology
Cytology & Screening
- Fine-needle aspiration of a neck mass
- Human papillomavirus testing
- Pap Smear Test
- Thyroid Nodule Biopsy Review
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
- Cardiac enzyme blood test
- Pregnancy blood test
- Sed rate inflammation test
- Testosterone blood test
- Vitamin D blood test
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
- Bone Marrow Biopsy Interpretation
- Breast Biopsy Analysis
- Cervical biopsy lab review
- Colon Polyp Testing
- Kidney Biopsy Examination
- Liver Biopsy Examination
- Lung biopsy lab review
- Lymph Node Biopsy Analysis
- Oral biopsy lab review
- Prostate Biopsy Analysis
- Skin Biopsy Lab Review
- Stomach biopsy lab review
- Uterine biopsy lab review
Procedures Most Often Billed to Medicare
324 services · 244 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
49 | More often than most peers in Pathology |
| Fine needle aspiration biopsy using ultrasound guidance, each additional growth | Procedure | 10006 |
27 | Too few peers to compare |
| Evaluation of fine needle aspirate | Lab test | 88172 |
76 | More often than most peers in Pathology |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
72 | More often than most peers in Pathology |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
38 | Too few peers to compare |
| Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode | Lab test | 88177 |
31 | Less often than most peers in Pathology |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
18 | Less often than most peers in Pathology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
13 | Too few peers to compare |
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 pathologists at this location 8
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 pathologists in San Juan 6
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1974 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Fine needle aspiration biopsy using ultrasound guidance, first growth 6
Providers in PR who bill this service to Medicare most often.
Common questions
What does Dr. Villarmarzo-Garcia specialize in?
Dr. Villarmarzo-Garcia is a pathologist in San Juan, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Where is Dr. Villarmarzo-Garcia located?
Dr. Villarmarzo-Garcia is listed at 300 Ave Manuel Domenech Hrplabs, San Juan, PR 00918. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Villarmarzo-Garcia's phone number?
The number on file is (787) 765-7320. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Villarmarzo-Garcia's NPI number?
Dr. Villarmarzo-Garcia's National Provider Identifier is 1518928738. 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 Dr. Villarmarzo-Garcia go to medical school?
Dr. Villarmarzo-Garcia attended Other, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Villarmarzo-Garcia been practicing?
Dr. Villarmarzo-Garcia has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Villarmarzo-Garcia do most often?
According to Medicare billing data, Dr. Villarmarzo-Garcia performs procedures including fine needle aspiration biopsy using ultrasound guidance, first growth 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 Dr. Villarmarzo-Garcia confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Villarmarzo-Garcia. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.