Erryn Tappy
NPI 1720442106 · Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erryn Tappy is a Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician provider in Walnut Creek, CA (NPI 1720442106).
Provider details
- NPI number
- 1720442106
- Entity type
- Individual
- Primary specialty
- Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- A185290 (CA)
Specialties & taxonomies
- Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) PhysicianPrimary207VF0040XLicense A185290 (CA)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
1,827 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 | 463 | $153 |
| Insertion of Lower Leg Neurostimulator Electrode64566 | 405 | $153 |
| Insertion of Temporary Bladder Tube51701 | 334 | $54 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 271 | $197 |
| Automated Urinalysis Test81003 | 87 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 449 | 282 |
| Vibegronbrand: Gemtesa | 235 | 62 |
| Mirabegronbrand: Myrbetriq | 168 | 50 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 139 | 96 |
| Cephalexin | 53 | 24 |
| Clobetasol Propionate | 49 | 27 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 48 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$679 across 29 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
- 2016-04-11
- Last updated
- 2023-09-11
- Certified
- 2023-09-11
Frequently asked questions
- What is Erryn Tappy's NPI number?
- Erryn Tappy's National Provider Identifier (NPI) is 1720442106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erryn Tappy's specialty?
- Erryn Tappy is listed in the NPPES registry with a primary specialty of Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician (Allopathic & Osteopathic Physicians).
- Where is Erryn Tappy located?
- Erryn Tappy's practice location on file with NPPES is 100 N Wiget Ln Ste 207, Walnut Creek, CA 94598-5901.
- What is Erryn Tappy's phone number?
- The practice phone number listed in the NPPES registry for Erryn Tappy is (925) 937-7740.
- Does Erryn Tappy accept Medicare?
- Erryn Tappy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erryn Tappy's NPI active?
- Yes — Erryn Tappy's NPI (1720442106) is active in the NPPES registry as of the last update on 2023-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.