STEPHEN A HILTY M.D.
NPI 1205839818
Internal Medicine in San Luis Obispo, CA

Active since May 27, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0952676 · Microscopy
97.95/100
CMS Quality Rating
148 CASA ST, SAN LUIS OBISPO, CA 93405(805) 543-8310(805) 543-1103 Get Directions Write a Review

NPPES record last updated: September 22, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Stephen A Hilty M.d. NPPES

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

STEPHEN A HILTY M.D. (NPI 1205839818) is an individual internal medicine provider in San Luis Obispo, California, licensed in California (A061885) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through October 18, 2026, and is a graduate of Geisel School Of Medicine At Dartmouth (1995).

NPPES Registry Identity

NPI1205839818
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEPHEN A HILTYCredential: M.D.
Location Address148 CASA STSan Luis Obispo, CA 93405-1804
Mailing Address148 Casa StSan Luis Obispo, CA 93405-1804 · (805) 543-8310 · Fax (805) 543-1103
Fax(805) 543-1103
Sole ProprietorYes
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 1995
Enumeration DateMay 27, 2005
Last NPPES UpdateSeptember 22, 2011
NPI 1205839818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A061885
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.
148 CASA ST, San Luis Obispo, CA 93405

Other Identifiers 3

Medicaid00A618850CA
Medicare PINA61885CA
Medicare UPING69980

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

Stephen A Hilty 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 ID9234286980
PECOS Enrollment IDI20090415000177
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0952676

Stephen A Hilty MD · San Luis Obispo, CA
Active · expires Oct 18, 2026
CLIA Number05D0952676
Laboratory TypePhysician Office
Certificate Effective DateOctober 19, 2024
Certificate Expiration DateOctober 18, 2026
Laboratory DirectorStephen A. Hilty MD
Laboratory Phone(805) 543-8310
Laboratory LocationStephen A Hilty MD148 Casa Street, San Luis Obispo, CA 93405
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 11

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.

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
181 services181 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
129 services66 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
125 services125 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
124 services124 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
122 services82 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
105 services68 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93405 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
$135.73 typical visit price
range $59.84 – $178.89
Typical copayment $33.93 (range $14.96 – $44.72)
Most-billed visit code 99204
Established Patient
$104.82 typical visit price
range $19.70 – $146.55
Typical copayment $26.20 (range $4.92 – $36.63)
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.

97.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality96.27
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Advance Care Plan
99%243 patients4/55-star benchmark: 100%
Breast Cancer Screening
84%61 patients4/55-star benchmark: 93%
Colorectal Cancer Screening
91%146 patients5/55-star benchmark: 88%
Controlling High Blood Pressure
95%73 patients5/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
96%782 patients4/55-star benchmark: 100%
e-Prescribing
100%434 patients5/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
99%135 patients4/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
78%65 patients4/55-star benchmark: 98%
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 17

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

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
1 supplier11 claims220 services$4.92 avg. paid by Medicare
Ostomy pouch, drainable, with extended wear barrier attached, with built-in convexity (1 piece), each A4390
DME-Orthotic Devices · category DF010N
1 supplier11 claims220 services$9.27 avg. paid by Medicare
Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394
DME-Orthotic Devices · category DF010N
1 supplier11 claims264 services$2.50 avg. paid by Medicare
Adhesive remover, wipes, any type, each A4456
DME-Medical/Surgical Supplies · category DA000N
1 supplier11 claims550 services$0.23 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers35 claims35 services$35.85 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers14 claims14 services$88.87 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 5

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

Family Medicine
148 CASA ST
SAN LUIS OBISPO, CA 93405
Family Medicine
148 CASA ST
SAN LUIS OBISPO, CA 93405
Internal Medicine
148 CASA ST
SAN LUIS OBISPO, CA 93405
Internal Medicine
148 CASA ST
SAN LUIS OBISPO, CA 93405
Internal Medicine
148 CASA ST
SAN LUIS OBISPO, CA 93405

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 Stephen Hilty's NPI number?

The NPI number for Stephen Hilty is 1205839818. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is Stephen Hilty located?

Stephen Hilty practices at 148 Casa St, San Luis Obispo, CA 93405. The listed phone number is (805) 543-8310.

What is Stephen Hilty's specialty?

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

Is Stephen Hilty enrolled in Medicare?

Yes. Stephen Hilty 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.

Does Stephen Hilty hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0952676) is associated with this NPI, valid through October 18, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Stephen Hilty was last updated on September 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.