What is Christopher Green's NPI number?

Christopher Green's National Provider Identifier (NPI) is 1568479939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Christopher Green's specialty?

Christopher Green is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Christopher Green located?

Christopher Green's practice location on file with NPPES is 2 Memorial Dr, Alton, IL 62002-6723.

What is Christopher Green's phone number?

The practice phone number listed in the NPPES registry for Christopher Green is (618) 474-1723.

Does Christopher Green accept Medicare?

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

Is Christopher Green's NPI active?

Yes — Christopher Green's NPI (1568479939) is active in the NPPES registry as of the last update on 2016-06-10.

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Christopher Green, M.D.

NPI 1568479939 · Internal Medicine Physician · Alton, IL

Christopher Green, M.D. is a Internal Medicine Physician provider in Alton, IL (NPI 1568479939).

Provider details

NPI number: 1568479939
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 036-064682 (IL)

Practice location

2 Memorial Dr

Suite 220

Alton, IL 62002-6723

Phone: (618) 474-1723

Fax: (618) 462-6989

Street-level locationGet directions

More IL providers

Mailing address

670 Mason Ridge Center Dr

Saint Louis, MO 63141-8573

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 036-064682 (IL)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Internal Medicine · 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
3,213 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	789	$124
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	413	$16
Evaluation of Psychological Test, First Hour96130	261	$119
Evaluation of Neuropsychological Test, First Hour96132	261	$125
Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138	261	$31
Alcohol And/Or Substance (other Than Tobacco) Misuse Structured Assessment (e.g., Audit, Dast), and Brief Intervention 15 to 30 Minutes

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 210 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Atorvastatin Calcium	877	269
Levothyroxine Sodium	741	201
Amlodipine Besylate	593	178
Rosuvastatin Calcium	380	110
Omeprazole	352	102
Lisinopril	332	100
Alprazolam

Transparency — industry payments

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

$2,456 across 134 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: 2006-08-01
Last updated: 2016-06-10

Frequently asked questions

What is Christopher Green's NPI number?: Christopher Green's National Provider Identifier (NPI) is 1568479939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Christopher Green's specialty?: Christopher Green is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Christopher Green located?: Christopher Green's practice location on file with NPPES is 2 Memorial Dr, Alton, IL 62002-6723.
What is Christopher Green's phone number?: The practice phone number listed in the NPPES registry for Christopher Green is (618) 474-1723.
Does Christopher Green accept Medicare?: Christopher Green is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Christopher Green's NPI active?: Yes — Christopher Green's NPI (1568479939) is active in the NPPES registry as of the last update on 2016-06-10.

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	789	$124
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	413	$16
Evaluation of Psychological Test, First Hour96130	261	$119
Evaluation of Neuropsychological Test, First Hour96132	261	$125
Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138	261	$31
Alcohol And/Or Substance (other Than Tobacco) Misuse Structured Assessment (e.g., Audit, Dast), and Brief Intervention 15 to 30 Minutes