What is Jennifer John's NPI number?

Jennifer John's National Provider Identifier (NPI) is 1447343140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jennifer John's specialty?

Jennifer John is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).

Where is Jennifer John located?

Jennifer John's practice location on file with NPPES is 1240 Jesse Jewell Pkwy Se, Gainesville, GA 30501-3862.

What is Jennifer John's phone number?

The practice phone number listed in the NPPES registry for Jennifer John is (770) 536-9864.

Does Jennifer John accept Medicare?

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

Is Jennifer John's NPI active?

Yes — Jennifer John's NPI (1447343140) is active in the NPPES registry as of the last update on 2020-09-14.

IndividualActiveAccepts Medicare

Jennifer John, MD

NPI 1447343140 · Endocrinology, Diabetes & Metabolism Physician · Gainesville, GA

Jennifer John, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Gainesville, GA (NPI 1447343140).

Provider details

NPI number: 1447343140
Entity type: Individual
Primary specialty: Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: 58257 (GA)

Practice location

1240 Jesse Jewell Pkwy Se

Suite 500

Gainesville, GA 30501-3862

Phone: (770) 536-9864

Street-level locationGet directions

More GA providers

Mailing address

1240 Jesse Jewell Pkwy Se

Gainesville, GA 30501-3862

Specialties & taxonomies

Endocrinology, Diabetes & Metabolism PhysicianPrimary207RE0101XLicense 58257 (GA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Endocrinology · 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
3,186 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)
Insertion of Needle Into Vein for Collection of Blood Sample36415	500	$9
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	390	$118
Blood Test, Thyroid Stimulating Hormone (tsh)84443	298	$16
Thyroxine (thyroid Chemical), Free84439	279	$9
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	271	$15
Blood Test, Comprehensive Group of Blood Chemicals80053

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Levothyroxine Sodium	557	158
Semaglutidebrand: Ozempic	182	47
Metformin Hcl	115	37
Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar	107	39
Insulin Aspartbrand: Novolog Flexpen	102	38
Insulin Degludecbrand: Tresiba Flextouch U-100	96	34

Transparency — industry payments

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

$389 across 14 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: 2006-10-02
Last updated: 2020-09-14
Certified: 2020-09-14

Frequently asked questions

What is Jennifer John's NPI number?: Jennifer John's National Provider Identifier (NPI) is 1447343140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Jennifer John's specialty?: Jennifer John is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
Where is Jennifer John located?: Jennifer John's practice location on file with NPPES is 1240 Jesse Jewell Pkwy Se, Gainesville, GA 30501-3862.
What is Jennifer John's phone number?: The practice phone number listed in the NPPES registry for Jennifer John is (770) 536-9864.
Does Jennifer John accept Medicare?: Jennifer John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Jennifer John's NPI active?: Yes — Jennifer John's NPI (1447343140) is active in the NPPES registry as of the last update on 2020-09-14.

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)
Insertion of Needle Into Vein for Collection of Blood Sample36415	500	$9
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	390	$118
Blood Test, Thyroid Stimulating Hormone (tsh)84443	298	$16
Thyroxine (thyroid Chemical), Free84439	279	$9
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	271	$15
Blood Test, Comprehensive Group of Blood Chemicals80053

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Levothyroxine Sodium	557	158
Semaglutidebrand: Ozempic	182	47
Metformin Hcl	115	37
Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar	107	39
Insulin Aspartbrand: Novolog Flexpen	102	38
Insulin Degludecbrand: Tresiba Flextouch U-100	96	34

Transparency — industry payments

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

$389 across 14 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