DR. PATRICK TIERNO (M.D.) – Obstetrics & Gynecology Physician, NPI 1851433890

Obstetrics & Gynecology Physician

DR. PATRICK TIERNO (M.D.) is a healthcare provider. based in Seaford, Delaware. specializing in Obstetrics & Gynecology Physician. They hold the professional credentials M.D.. They hold a License No. C1-0002110 (DE). The NPI Number for DR. PATRICK TIERNO (M.D.) is 1851433890

Main info

Male

48 Years Of Experience

Accepts Medicare Assignment

Name

DR. PATRICK TIERNO (M.D.)

NPI

1851433890

Phone

(302) 629-5409

Address

1301 MIDDLEFORD RD

Enumeration Date

13 February 2007

Last Update Date

1 December 2016

Doctor Profile

Medical School Name

TEMPLE UNIVERSITY SCHOOL OF MEDICINE

Secondary Phone

3026295409

Graduation Year

1978 (48 years ago)

PAC ID

9830119114

Group Practice PAC ID

5294755575

Professional Enrollment ID

I20110418000711

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience52

Completeness75

Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for DR. PATRICK TIERNO (M.D.)

1301 MIDDLEFORD RD
SEAFORD, DE 199733611
Phone: (302) 629-5409
Fax: (302) 629-8072
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 19973)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 5294755575View full group profile

Name	Specialty	State
TAMMY NEWTON-TIERNO (CNM)	-	DE

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Frequently asked questions

Does DR. PATRICK TIERNO (M.D.) share an NPI with anyone else?

NPI numbers are unique to each provider or organization — DR. PATRICK TIERNO (M.D.) uses 1851433890.

Is DR. PATRICK TIERNO (M.D.) listed as active for patients and plans?

The listing shows DR. PATRICK TIERNO (M.D.) as active in the NPI system.

What taxonomy line describes DR. PATRICK TIERNO (M.D.)?

For research purposes, treat DR. PATRICK TIERNO (M.D.) as Obstetrics & Gynecology Physician in this dataset. Clinical services aligned with this taxonomy classification.

What address line appears for DR. PATRICK TIERNO (M.D.)?

DR. PATRICK TIERNO (M.D.)'s geographic hint is Seaford, Delaware in our summary view.

Is specialty guaranteed by NPI alone?

Taxonomy selections describe intent; scope of practice still follows state law.