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DR. DANIEL MICHAEL FLAHERTY JR. DO
NPI 1396495040
Internal Medicine in San Diego, CA

Active since March 25, 2022PECOS EnrolledAccepts Medicare Assignment
4077 FIFTH AVE # MER-35, SAN DIEGO, CA 92103(619) 294-8111 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 6, 2026, Jul 11, 2025 (2 updates tracked since 2025).

About Dr. Daniel Michael Flaherty Jr. Do NPPES

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

DR. DANIEL MICHAEL FLAHERTY JR. DO (NPI 1396495040) is an individual internal medicine provider in San Diego, California, licensed in California (20A21634) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2022).

NPPES Registry Identity

NPI1396495040
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DANIEL MICHAEL FLAHERTY JR.Credential: DO
Location Address4077 FIFTH AVE # MER-35San Diego, CA 92103-2105
Mailing Address4077 Fifth Ave # Mer-35San Diego, CA 92103-2105
Phone(619) 294-8111
Sole ProprietorNo
Medical School CMSTouro Un College Of Osteopathic Medicine, VallejoGraduated 2022
Enumeration DateMarch 25, 2022
Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
✔ NPI 1396495040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A21634
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4077 FIFTH AVE # MER-35, San Diego, CA 92103
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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 and accepts Medicare assignment

Dr. Daniel Michael Flaherty Jr. Do 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 ID4284159021
PECOS Enrollment IDI20250415001130
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

2

Medicare enrollment records show Daniel Flaherty reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Health Centers Of San Diego, Inc.
0.1 mi
Federally Qualified Health Center (FQHC)
4065 3RD AVE
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 1,100 clinicians in this Medicare group
NPI 1669827598 (619) 515-2545
Scripps Health Inpatient Providers Medical Group Inc.
10.0 mi
Multi-Specialty
9888 GENESEE AVE
La Jolla, CA 92037
  • Reassigned Medicare billing, California enrollment
  • 278 clinicians in this Medicare group
NPI 1699043000 (858) 626-4123

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

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.

DR. EMILY KOLYVAS MD, PHD
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
San Diego County (619) 260-7220
BRIDGET OBRIEN
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
San Diego County (619) 260-7220
ABIGAIL LOUISE MACKENZIE MD
Internal Medicine
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
San Diego County (000) 000-0000
RAYMOND FANG
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
San Diego County (619) 260-7220
LUKE JOHANNES IRWIN MD
Internal Medicine
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
San Diego County (805) 405-9192
DR. DYLAN CHRISTOPHER TOOKEY MD
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
San Diego County (310) 995-1419
MADELINE NGO
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
San Diego County (619) 260-7220
MEGHAN MCADAMS
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
San Diego County (619) 260-7220

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 Daniel Flaherty's NPI number?

The NPI number for Daniel Flaherty is 1396495040. It was assigned to this individual provider in the NPPES registry on March 25, 2022.

Where is Daniel Flaherty located?

Daniel Flaherty practices at 4077 Fifth Ave # Mer-35, San Diego, CA 92103. The listed phone number is (619) 294-8111.

What is Daniel Flaherty's specialty?

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

Is Daniel Flaherty enrolled in Medicare?

Yes. Daniel Flaherty 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.

Which organizations bill Medicare for Daniel Flaherty's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Flaherty reassigns Medicare benefits to 2 organizations: Family Health Centers Of San Diego, Inc. (San Diego, CA) and Scripps Health Inpatient Providers Medical Group Inc. (La Jolla, CA). Each 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 Daniel Flaherty'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 Daniel Flaherty was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.