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DR. DAVID QUILLIAN SEGARS M.D.
NPI 1669458097
Family Medicine in San Francisco, CA

Active since December 18, 2005PECOS Enrolled
83.75/100
CMS Quality Rating
2645 OCEAN AVE, SUITE 303, SAN FRANCISCO, CA 94132(415) 452-1200(415) 452-1207 Get Directions Write a Review

NPPES record last updated: December 3, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. David Quillian Segars M.d. NPPES

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

DR. DAVID QUILLIAN SEGARS M.D. (NPI 1669458097) is an individual family medicine provider in San Francisco, California, licensed in California (G55446) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669458097
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DAVID QUILLIAN SEGARSCredential: M.D.
Location Address2645 OCEAN AVE, SUITE 303San Francisco, CA 94132-1633
Mailing Address2645 Ocean Ave, Suite 303San Francisco, CA 94132-1633 · (415) 452-1200 · Fax (415) 452-1207
Phone(415) 452-1200
Fax(415) 452-1207
Sole ProprietorNo
Enumeration DateDecember 18, 2005
Last NPPES UpdateDecember 3, 2009
✔ NPI 1669458097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G55446
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2645 OCEAN AVE, San Francisco, CA 94132
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David Quillian Segars M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show David Segars reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Segars Medical Group
Same address
General Practice
2645 OCEAN AVE STE 202
San Francisco, CA 94132
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1356842405 (415) 452-1200

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 10

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.

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.
425 services148 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
383 services220 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.
359 services163 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
184 services165 patients
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.
139 services139 patients
Stool analysis for blood to screen for colon tumors 82270
A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.
84 services84 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94132 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

83.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality75.96
Promoting Interoperability100
Improvement Activities40
Cost69.9

Reported Quality Measures

Advance Care Plan
22%551 patients1/55-star benchmark: 100%
Breast Cancer Screening
76%250 patients4/55-star benchmark: 100%
Colorectal Cancer Screening
70%645 patients3/55-star benchmark: 100%
Controlling High Blood Pressure
50%410 patients3/55-star benchmark: 98%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
12%89 patients4/55-star benchmark: 98%
Provide Patients Electronic Access to Their Health Information
100%524 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 7

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers13 claims31 services$6.24 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
5 suppliers15 claims15 services$28.39 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
6 suppliers12 claims12 services$41.94 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
6 suppliers14 claims84 services$1.59 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers19 claims19 services$38.88 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 supplier12 claims12 services$69.20 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 20

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

DUKE T. YANG, DDS, APC
Dentist
2645 OCEAN AVE, SUITE 306
SAN FRANCISCO, CA 94132
San Francisco County (415) 841-9088
MS. CAROL P SK JARON
Marriage & Family Therapist
2645 OCEAN AVE, SUITE 206
SAN FRANCISCO, CA 94132
San Francisco County (415) 541-5004
MR. EFFAT DANIAL OPTICIAN
Technician/Technologist (Optician)
2645 OCEAN AVE, SUITE 2
SAN FRANCISCO, CA 94132
San Francisco County (415) 334-2022
MS. MARY TOTH GRANICK LMFT
Marriage & Family Therapist
2645 OCEAN AVE, SUITE # 206
SAN FRANCISCO, CA 94132
San Francisco County (415) 273-1310
TEODOR MANAOIS DDS
Dentist (General Practice)
2645 OCEAN AVE, SUITE 210
SAN FRANCISCO, CA 94132
San Francisco County (415) 587-4700
LOUISLESKOM.D. PC
Clinic/Center (Medical Specialty)
2645 OCEAN AVE, 301
SAN FRANCISCO, CA 94132
San Francisco County (415) 333-6706
DR. DUKE T. YANG D.D.S.
Dentist
2645 OCEAN AVE, SUITE 306
SAN FRANCISCO, CA 94132
San Francisco County (415) 841-9088
INADVANCE MEDICINE ASSOCIATES WEST, P. C.
Community Health Worker
2645 OCEAN AVE, SUITE 206
SAN FRANCISCO, CA 94132
San Francisco County (844) 358-8648

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 David Segars's NPI number?

The NPI number for David Segars is 1669458097. It was assigned to this individual provider in the NPPES registry on December 18, 2005.

Where is David Segars located?

David Segars practices at 2645 Ocean Ave Suite 303, San Francisco, CA 94132. The listed phone number is (415) 452-1200.

What is David Segars's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is David Segars enrolled in Medicare?

Yes. David Segars is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Segars's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Segars reassigns Medicare benefits to Segars Medical Group (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Segars's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Segars was last updated on December 3, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.