John Grimaldi, D.O.
NPI 1821157033 · Urology Physician · Chula Vista, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Grimaldi, D.O. is a Urology Physician provider in Chula Vista, CA (NPI 1821157033).
Provider details
- NPI number
- 1821157033
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A11355 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,255 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,091 | $145 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 245 | $187 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 243 | $231 |
| Destruction of Prostate Tissue Using Microwave Induced Heat53850 | 122 | $1,702 |
| Complex Measurement of Pressure of Urine Flow in Bladder With Voiding Pressure Studies51728 | 121 | $434 |
| Electronic Assessment of Bladder Emptying51741 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 1,075 | 403 |
| Estradiol | 850 | 324 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 795 | 567 |
| Ibuprofen | 591 | 454 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 552 | 394 |
| Zolpidem Tartrate | 517 | 390 |
| Finasteride |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$229 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-06
- Last updated
- 2023-01-12
- Certified
- 2023-01-12
Frequently asked questions
- What is John Grimaldi's NPI number?
- John Grimaldi's National Provider Identifier (NPI) is 1821157033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grimaldi's specialty?
- John Grimaldi is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is John Grimaldi located?
- John Grimaldi's practice location on file with NPPES is 450 4th Ave, Chula Vista, CA 91910-4426.
- What is John Grimaldi's phone number?
- The practice phone number listed in the NPPES registry for John Grimaldi is (619) 420-0201.
- Does John Grimaldi accept Medicare?
- John Grimaldi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Grimaldi's NPI active?
- Yes — John Grimaldi's NPI (1821157033) is active in the NPPES registry as of the last update on 2023-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.