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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KIRSTIN ALEXIS KNOBBE LLOYD M.D.
NPI 1548615644
Internal Medicine in Phoenix, AZ

Active since April 27, 2016PECOS EnrolledAccepts Medicare Assignment
88.44/100
CMS Quality Rating
4420 E MCDOWELL RD, PHOENIX, AZ 85008(602) 858-4295(602) 858-4297 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 31, 2025, Jan 26, 2023, Jan 21, 2022 and 2 more (5 updates tracked since 2020).

About Dr. Kirstin Alexis Knobbe Lloyd M.d. NPPES

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

DR. KIRSTIN ALEXIS KNOBBE LLOYD M.D. (NPI 1548615644) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (57333) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1548615644
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KIRSTIN ALEXIS KNOBBE LLOYDCredential: M.D.
Location Address4420 E MCDOWELL RDPhoenix, AZ 85008-4504
Mailing Address102 Woodmont Blvd Ste 600Nashville, TN 37205-5250 · (615) 314-5257
Phone(602) 858-4295
Fax(602) 858-4297
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 27, 2016
Last NPPES UpdateJune 8, 20265 updates tracked since enumeration
NPPES CertifiedJune 8, 2026
✔ NPI 1548615644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 57333
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.
Also ListedFamily Medicine · Sleep MedicineTaxonomy 207QS1201X · License V1348 (TX)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 57333 (AZ), 04-49602 (KS), A198062 (CA), 332157 (NY), ME170328 (FL)
4420 E MCDOWELL RD, Phoenix, AZ 85008
Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Kirstin Alexis Robertson

Secondary Practice Locations 5

Location 1333 SE 2nd Ave Ste 2000Miami, FL 33131-2185 · Phone (650) 761-4056
Location 27300 W 110th St Fl 7Overland Park, KS 66210-2332 · Phone (650) 761-4056
Location 3121 W 36th St # 237New York, NY 10018-3612 · Phone (650) 761-4056
Location 4611 Gateway Blvd Ste 120South San Francisco, CA 94080-7066 · Phone (650) 761-4056
Location 52021 Guadalupe StAustin, TX 78705-3232 · Phone (650) 761-4056

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kirstin Alexis Knobbe Lloyd M.d. 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 ID3476827775
PECOS Enrollment IDI20240729003923, I20260116003167, I20260123000409
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85008 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

88.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40
Cost59.36

Referred Medical Equipment & Supplies CMS DME claims 14

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
9 suppliers58 claims58 services$33.55 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
9 suppliers26 claims26 services$78.48 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
8 suppliers23 claims62 services$29.35 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
5 suppliers23 claims93 services$16.33 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
2 suppliers11 claims52 services$14.01 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers33 claims33 services$47.71 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 6

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

DR. AMIE COCOROS MD
Internal Medicine
4420 E MCDOWELL RD
PHOENIX, AZ 85008
Maricopa County (602) 858-4295
DR. ANTENOR XAVIER AVILES MD
Family Medicine (Geriatric Medicine)
4420 E MCDOWELL RD
PHOENIX, AZ 85008
Maricopa County (602) 858-4295
MS. JULIA A FRANCE ANP-BC
Nurse Practitioner
4420 E MCDOWELL RD
PHOENIX, AZ 85008
Maricopa County (602) 858-4295
LORI BETH BURKE FNP
Nurse Practitioner (Family)
4420 E MCDOWELL RD
PHOENIX, AZ 85008
Maricopa County (602) 858-4295
DR. HOLLIS J. C. UNDERWOOD M.D.
Internal Medicine
4420 E MCDOWELL RD
PHOENIX, AZ 85008
Maricopa County (602) 858-4295
DR. AARON T SAUNDERS MD
Internal Medicine
4420 E MCDOWELL RD
PHOENIX, AZ 85008
Maricopa County (602) 858-4295

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kirstin Lloyd's NPI number?

The NPI number for Kirstin Lloyd is 1548615644. It was assigned to this individual provider in the NPPES registry on April 27, 2016. The provider is also known as Dr. Kirstin Alexis Robertson.

Where is Kirstin Lloyd located?

Kirstin Lloyd practices at 4420 E Mcdowell Rd, Phoenix, AZ 85008. The listed phone number is (602) 858-4295.

What is Kirstin Lloyd's specialty?

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

Is Kirstin Lloyd enrolled in Medicare?

Yes. Kirstin Lloyd is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kirstin Lloyd accept?

Health plans from Blue Cross Blue Shield of Arizona list Kirstin Lloyd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kirstin Lloyd was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.