John Siemon
NPI 1962819276 · Gynecologic Oncology Physician · Miramar, FL
Enrolled with Medicare as Practitioner - Gynecological Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Siemon is a Gynecologic Oncology Physician provider in Miramar, FL (NPI 1962819276).
Provider details
- NPI number
- 1962819276
- Entity type
- Individual
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- ME137033 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
47 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 | 30 | $130 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $185 |
Typical Medicare-allowed amounts for these services range $130–$185 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estrogens, Conjugatedbrand: Premarin | 45 | 25 |
| Estradiol | 44 | 15 |
| Ibuprofen | 35 | 31 |
| Gabapentin | 28 | 27 |
| Oxycodone Hcl | 25 | 24 |
| Letrozole | 21 | — |
| Metronidazole | 19 | 17 |
| Fluconazole | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,181 across 51 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
Additional practice locations (1)
- 1475 Nw 12th AveMiami, FL 33136Phone: (305) 243-1475Fax: (305) 243-4938
Registry dates
- Enumerated
- 2014-07-18
- Last updated
- 2022-09-06
- Certified
- 2022-09-06
Frequently asked questions
- What is John Siemon's NPI number?
- John Siemon's National Provider Identifier (NPI) is 1962819276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Siemon's specialty?
- John Siemon is listed in the NPPES registry with a primary specialty of Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Siemon located?
- John Siemon's practice location on file with NPPES is 12741 Miramar Pkwy Ste 302, Miramar, FL 33027-2905.
- What is John Siemon's phone number?
- The practice phone number listed in the NPPES registry for John Siemon is (954) 602-9723.
- Does John Siemon accept Medicare?
- John Siemon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Siemon's NPI active?
- Yes — John Siemon's NPI (1962819276) is active in the NPPES registry as of the last update on 2022-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.