What is Michael Hennigan's NPI number?

Michael Hennigan's National Provider Identifier (NPI) is 1003971839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Hennigan's specialty?

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

Where is Michael Hennigan located?

Michael Hennigan's practice location on file with NPPES is 3 Medical Park, Fairhope, AL 36532-1804.

What is Michael Hennigan's phone number?

The practice phone number listed in the NPPES registry for Michael Hennigan is (251) 929-3424.

Does Michael Hennigan accept Medicare?

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

Is Michael Hennigan's NPI active?

Yes — Michael Hennigan's NPI (1003971839) is active in the NPPES registry as of the last update on 2024-03-11.

IndividualActiveAccepts Medicare

Michael Hennigan, M.D.

NPI 1003971839 · Endocrinology, Diabetes & Metabolism Physician · Fairhope, AL

Michael Hennigan, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Fairhope, AL (NPI 1003971839).

Provider details

NPI number: 1003971839
Entity type: Individual
Primary specialty: Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: ME133406 (FL)

Practice location

3 Medical Park

Fairhope, AL 36532-1804

Phone: (251) 929-3424

Fax: (251) 279-3931

Approximate (ZIP-level) locationGet directions

More AL providers

Mailing address

3 Medical Park

Fairhope, AL 36532-1804

Specialties & taxonomies

Endocrinology, Diabetes & Metabolism PhysicianPrimary207RE0101XLicense 00014952 (AL)
Allopathic & Osteopathic Physicians
Endocrinology, Diabetes & Metabolism Physician207RE0101XLicense ME133406 (FL)
Allopathic & Osteopathic Physicians
Endocrinology, Diabetes & Metabolism Physician207RE0101XLicense 173573 (AK)
Allopathic & Osteopathic Physicians

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

Profile Score

Established profile(74/100 index)

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

Registry tenure25% of score
19 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
522 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	220	$116
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	159	$15
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	81	$82
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	39	$148
New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205	23	$192

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Pioglitazone Hcl	329	101
Ezetimibe	284	107
Levothyroxine Sodium	233	72
Tirzepatidebrand: Mounjaro	225	40
Semaglutidebrand: Ozempic	216	56
Empagliflozinbrand: Jardiance	198	57
Rosuvastatin Calcium

Transparency — industry payments

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

$401 across 16 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: 2006-12-22
Last updated: 2024-03-11
Certified: 2024-03-11

Frequently asked questions

What is Michael Hennigan's NPI number?: Michael Hennigan's National Provider Identifier (NPI) is 1003971839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Michael Hennigan's specialty?: Michael Hennigan is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
Where is Michael Hennigan located?: Michael Hennigan's practice location on file with NPPES is 3 Medical Park, Fairhope, AL 36532-1804.
What is Michael Hennigan's phone number?: The practice phone number listed in the NPPES registry for Michael Hennigan is (251) 929-3424.
Does Michael Hennigan accept Medicare?: Michael Hennigan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Michael Hennigan's NPI active?: Yes — Michael Hennigan's NPI (1003971839) is active in the NPPES registry as of the last update on 2024-03-11.

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	220	$116
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	159	$15
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	81	$82
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	39	$148
New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205	23	$192

Drug

Part D claims (2024)

Beneficiaries

Pioglitazone Hcl

329

101

Ezetimibe

284

107

Levothyroxine Sodium

233

Tirzepatidebrand: Mounjaro

225

Semaglutidebrand: Ozempic

216

Empagliflozinbrand: Jardiance

198

Rosuvastatin Calcium

Transparency — industry payments

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

$401 across 16 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