What is John Deforest's NPI number?

John Deforest's National Provider Identifier (NPI) is 1003842964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Deforest's specialty?

John Deforest is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is John Deforest located?

John Deforest's practice location on file with NPPES is 715 S Dixie Hwy, Beecher, IL 60401-3668.

What is John Deforest's phone number?

The practice phone number listed in the NPPES registry for John Deforest is (708) 946-9330.

Does John Deforest accept Medicare?

John Deforest is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is John Deforest's NPI active?

Yes — John Deforest's NPI (1003842964) is active in the NPPES registry as of the last update on 2014-12-09.

IndividualActiveAccepts Medicare

John Deforest, D.O.

NPI 1003842964 · Family Medicine Physician · Beecher, IL

John Deforest, D.O. is a Family Medicine Physician provider in Beecher, IL (NPI 1003842964).

Provider details

NPI number: 1003842964
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Male
Sole proprietor: No
License: 336051704 (IL)

Practice location

715 S Dixie Hwy

Beecher, IL 60401-3668

Phone: (708) 946-9330

Fax: (708) 946-2471

Approximate (ZIP-level) locationGet directions

More IL providers

Mailing address

715 S Dixie Hwy

Beecher, IL 60401-3668

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense 336051704 (IL)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(94/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
20 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
3,933 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 methodology.

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	1,166	$124
Insertion of Needle Into Vein for Collection of Blood Sample36415	994	$9
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	560	$89
Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000	312	$14
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	283	$121
Administration of Influenza Virus VaccineG0008

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 168 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Atorvastatin Calcium	1,060	260
Levothyroxine Sodium	541	115
Metformin Hcl	469	121
Lisinopril	430	106
Amlodipine Besylate	399	100
Hydrochlorothiazide	361	91
Pantoprazole Sodium

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,661 across 87 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.

Enumerated: 2006-06-23
Last updated: 2014-12-09

Frequently asked questions

What is John Deforest's NPI number?: John Deforest's National Provider Identifier (NPI) is 1003842964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Deforest's specialty?: John Deforest is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
Where is John Deforest located?: John Deforest's practice location on file with NPPES is 715 S Dixie Hwy, Beecher, IL 60401-3668.
What is John Deforest's phone number?: The practice phone number listed in the NPPES registry for John Deforest is (708) 946-9330.
Does John Deforest accept Medicare?: John Deforest is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is John Deforest's NPI active?: Yes — John Deforest's NPI (1003842964) is active in the NPPES registry as of the last update on 2014-12-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

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	1,166	$124
Insertion of Needle Into Vein for Collection of Blood Sample36415	994	$9
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	560	$89
Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000	312	$14
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	283	$121
Administration of Influenza Virus VaccineG0008

Drug

Part D claims (2024)

Beneficiaries

Atorvastatin Calcium

1,060

260

Levothyroxine Sodium

541

115

Metformin Hcl

469

121

Lisinopril

430

106

Amlodipine Besylate

399

100

Hydrochlorothiazide

361

Pantoprazole Sodium

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,661 across 87 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments