Doctor profile · Federal record

Dr. Erryn Tappy

Female Pelvic Medicine and Reconstructive Surgery (Obstetrics & Gynecology) Physician (CMS: Obstetrics/Gynecology) · Walnut Creek, CA

  • NPI 1720442106
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 N Wiget Ln Ste 207
Walnut Creek, CA 945985901
(925) 937-7740
Mailing address
1450 Treat Blvd # 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
September 11, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207VF0040X — NUCC code
State license (1)
California #A185290

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720442106. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
437
Distinct HCPCS
5
Medicare allowed
$58,718
HCPCS Description Services Patients Avg allowed
64566 Insertion of lower leg neurostimulator electrode 176 75 $153
99204 New patient office or other outpatient visit, 45-59 minutes 110 110 $194
51701 Insertion of temporary bladder tube 109 106 $54
99214 Established patient office or other outpatient visit, 30-39 minutes 31 26 $149
81002 Urinalysis, manual test 11 11 $3

In context: peer comparison

Among 1 peers in this city , average services per provider: 87. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$679
Transactions
29
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 8 $159.28
Janssen Biotech, Inc. 4 $89.13
Sumitomo Pharma America, Inc. 3 $85.28
UROGEN PHARMA, INC. 3 $79.10
Merck Sharp & Dohme LLC 3 $75.64
BLUEWIND MEDICAL 3 $69.37
Teleflex LLC 1 $34.40
ConvaTec Inc. 1 $29.77
Blue Earth Diagnostics Limited 1 $21.47
IMMUNITYBIO, INC. 1 $17.95
PFIZER INC. 1 $17.94

By nature of payment

Food and Beverage
$679

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
196
Patients
133
Total drug cost
$36,350
Drug Type Claims Patients Total cost
Estradiol Generic 64 58 $7,098
Myrbetriq (Mirabegron) Brand 52 26 $27,106
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 32 24 $529
Oxycodone Hcl Generic 14 14 $24
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 12 11 $119
Fosfomycin Tromethamine Generic 11 0 $1,029
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 11 0 $445

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Erryn Tappy's medical specialty?
Dr. Erryn Tappy practices Female Pelvic Medicine and Reconstructive Surgery (Obstetrics & Gynecology) Physician in Walnut Creek, CA.
Where does Dr. Erryn Tappy practice?
Dr. Erryn Tappy practices at 100 N Wiget Ln Ste 207, Walnut Creek, CA 945985901. Office phone: 9259377740.
What is Dr. Erryn Tappy's NPI?
Dr. Erryn Tappy's National Provider Identifier (NPI) is 1720442106, issued by NPPES.
Does Dr. Erryn Tappy accept Medicare assignment?
Yes. Dr. Erryn Tappy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erryn Tappy commonly perform?
Top Medicare-reported procedures in 2023: Insertion of lower leg neurostimulator electrode (HCPCS 64566); New patient office or other outpatient visit (HCPCS 99204); Insertion of temporary bladder tube (HCPCS 51701). Source: CMS Medicare Physician & Other Practitioners file.