DR. PHILIP AUGUSTUS JR. DEFFER (M.D.) – Orthopaedic Hand Surgery Physician, NPI 1356344261

DR. PHILIP AUGUSTUS JR. DEFFER (M.D.) is a healthcare provider. based in Spencer, Iowa. specializing in Orthopaedic Hand Surgery Physician. They hold the professional credentials M.D.. They hold a License No. 31115 (IA). The NPI Number for DR. PHILIP AUGUSTUS JR. DEFFER (M.D.) is 1356344261

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. PHILIP AUGUSTUS JR. DEFFER (M.D.)
NPI
1356344261
Phone
(712) 264-9071
Address
1200 1ST AVE E STE C
Enumeration Date
24 May 2005
Last Update Date
2 August 2007

Doctor Profile

Medical School Name
TEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Secondary Phone
7123361230
Graduation Year
1986 (40 years ago)
PAC ID
7810923455
Group Practice PAC ID
0941118442
Professional Enrollment ID
I20100706000023
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:21State licenses:1Digital endpointsOther names

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Provider Addresses for DR. PHILIP AUGUSTUS JR. DEFFER (M.D.)

  • 1st Avenue East, Spencer, Clay County, Iowa, 51301, United States of America

    SPENCER, IA 513014342

    Phone: (712) 264-9071

    Fax: (712) 262-3658

    Type: Mailing

  • Spencer Hospital, 1200, 1st Avenue East, Spencer, Clay County, Iowa, 51301, United States of America

    STE C

    SPENCER, IA 513014342

    Phone: (712) 262-7511

    Fax: (712) 262-3658

    Type: Location

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.

This can happen when there are no reportable CMS Open Payments records.

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.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes12299$0
20600Aspiration and/or injection of fluid from small joint6742$0
20550Injection into tendon or ligament6240$0
99203New patient office or other outpatient visit, 30-44 minutes2828$0
64721Release and/or relocation of hand nerve2520$0
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Insurance plans in this area (ZIP 51301)

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Provider's Procedures

DR. PHILIP AUGUSTUS JR. DEFFER (M.D.) performs procedures in Orthopaedic Hand Surgery Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
ORTHOPEDIC SURGERYIA64721Release and/or relocation of median nerve of hand5149

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: 0941118442View full group profile
NameSpecialtyState
Nurse PractitionerIA
-IA
Family PracticeIA
-MN
Family PracticeIA
-IA
Nurse PractitionerAZ
Orthopedic SurgeryIA
Family Practice, Emergency MedicineIA
Nurse PractitionerIA

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Frequently asked questions

What is DR. PHILIP AUGUSTUS JR. DEFFER (M.D.)'s NPI number?
DR. PHILIP AUGUSTUS JR. DEFFER (M.D.)'s NPI is 1356344261 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to DR. PHILIP AUGUSTUS JR. DEFFER (M.D.)?
You should see DR. PHILIP AUGUSTUS JR. DEFFER (M.D.) as active in CMS-hosted NPPES data.
What clinical focus is listed for DR. PHILIP AUGUSTUS JR. DEFFER (M.D.)?
At a glance, DR. PHILIP AUGUSTUS JR. DEFFER (M.D.) is tied to Orthopaedic Hand Surgery Physician. Clinical services aligned with this taxonomy classification.
Is DR. PHILIP AUGUSTUS JR. DEFFER (M.D.) associated with Spencer?
Public fields place DR. PHILIP AUGUSTUS JR. DEFFER (M.D.) around Spencer, Iowa. Always confirm the exact site before visiting.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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