KATHLYN DIEFENDERFER MD
NPI 1780606426
Internal Medicine in Enterprise, AL

Q: What is Kathlyn Diefenderfer's NPI number?

The NPI number for Kathlyn Diefenderfer is 1780606426. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Q: What is Kathlyn Diefenderfer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since July 24, 2006PECOS EnrolledAccepts Medicare Assignment

101 PROFESSIONAL LN, ENTERPRISE, AL 36330(334) 347-3404(334) 393-0613 Get Directions Write a Review

NPPES record last updated: November 9, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Kathlyn Diefenderfer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHLYN DIEFENDERFER MD (NPI 1780606426) is an individual internal medicine provider in Enterprise, Alabama, licensed in Alabama (00023919) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of University Of South Alabama College Of Medicine (1998).

NPPES Registry Identity

NPI1780606426

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameKATHLYN DIEFENDERFERCredential: MD

Location Address101 PROFESSIONAL LNEnterprise, AL 36330-2085

Mailing Address101 Professional LnEnterprise, AL 36330-2085 · (334) 793-8087 · Fax (334) 393-0613

Phone(334) 347-3404

Fax(334) 393-0613

Sole ProprietorNo

Medical School CMSUniversity Of South Alabama College Of MedicineGraduated 1998

Enumeration DateJuly 24, 2006

Last NPPES UpdateNovember 9, 2007

✔ NPI 1780606426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AL · 00023919

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

101 PROFESSIONAL LN, Enterprise, AL 36330

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Other Identifiers 5

Medicare UPINH38377

Medicaid009957070AL

Other51502734AL · Blue Cross Blue Shield

Medicare PIN051502734AL

Medicare PIN110223186AL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathlyn Diefenderfer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850442575

PECOS Enrollment IDI20100201000145

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Kathlyn Diefenderfer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Houston County Healthcare Authority

Same address

Internal Medicine

101 PROFESSIONAL LN
Enterprise, AL 36330

Reassigned Medicare billing, Alabama enrollment
514 clinicians in this Medicare group

NPI 1619026606 (334) 347-3404

Northern Alabama Physicians, LLP

1.3 mi

Hospitalist

400 N EDWARDS ST
Enterprise, AL 36330

Reassigned Medicare billing, Alabama enrollment
123 clinicians in this Medicare group

NPI 1952845711 (334) 347-0584

Keystone Hospitalist Services Of Alabama, Inc.

32 mi

Hospitalist

1330 HIGHWAY 231 S
Troy, AL 36081

Reassigned Medicare billing, Alabama enrollment
8 clinicians in this Medicare group

NPI 1275478232 (334) 670-5000

Troy Hospital Health Care Authority

32 mi

Family Medicine

1330 HIGHWAY 231 S
Troy, AL 36081

Reassigned Medicare billing, Alabama enrollment
23 clinicians in this Medicare group

NPI 1275840779 (334) 670-5427

Troy Regional Physicians Inc.

32 mi

Primary Care

1320 HIGHWAY 231 S, SUITES 1 & 2
Troy, AL 36081

Reassigned Medicare billing, Alabama enrollment
44 clinicians in this Medicare group

NPI 1174832281 (888) 447-7220

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

161 services81 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

123 services102 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

113 services99 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36330 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.31 typical visit price

range $52.65 – $161.63

Typical copayment $30.57 (range $13.16 – $40.40)

Most-billed visit code 99204

Established Patient

$93.72 typical visit price

range $16.56 – $131.65

Typical copayment $23.43 (range $4.14 – $32.91)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%128 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier21 claims21 services$6.07 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier32 claims32 services$108.47 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier32 claims32 services$37.54 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JULIE FRANCES HUGHES C.P.N.P.

Nurse Practitioner (Pediatrics)