On-Call Specialists

  • Multi-specialty group
  • San Diego, CA
  • Core specialty: Primary care
NPI1962175836PAC ID7911395231Dmand IDNG-MGR-091651
Total HCPs
225
Physicians (MD/DO)
208
Nurses and PAs
2
Practice locations
23
Hospitals
10
Main site
550 Washington St, San Diego, CA 92103-2105
Main phone
(619) 359-6600
Specialty areas
17, led by primary care
Website and social

Parent organization

On-Call Specialists

Independent practice · San Diego, California

Find the right contacts among 225 HCPs

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On-Call Specialists is a multi-specialty medical group with 23 practice locations in California

On-Call Specialists (On Call Specialists Medical Group Of San Diego Inc) is based in San Diego, California, part of On-Call Specialists.

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; and Dmand AI Affiliation Data

On-Call Specialists' NPI is 1962175836 and its PAC ID is 7911395231

Identifiers
Primary NPI (Type 2)
1962175836NPI Registry (opens in a new tab)
Medicare PAC ID
7911395231
Dmand ID
NG-MGR-091651
Medicare enrollment
Enrolled (PAC ID on file)
Contact
Main site address
550 Washington St, San Diego, CA 92103-2105
Main phone
(619) 359-6600
Executive emails and mobiles
Get contacts
Classification
Group type
Multi-specialty
Core specialty
Primary care
Specialty areas
17
Site structure
Multi-site
Ownership model
DSO / MSO
Leadership
Physician-led
Medicare Part B payments
$37.7M
Legal name
On Call Specialists Medical Group Of San Diego Inc

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data

On-Call Specialists is part of On-Call Specialists

Dmand AI places On-Call Specialists under On-Call Specialists, an independent practice.

  • On-Call SpecialistsIndependent practice
  • On-Call SpecialistsMulti-specialty medical group · San Diego, CA

Source: Dmand AI Org Hierarchy Data

Org hierarchy

Map On-Call Specialists' entire network

See how On-Call Specialists connects to On-Call Specialists: its parent organizations, sister groups and every site of care in between, with the HCPs and leaders at each one.

On-Call Specialists has 208 physicians among 225 HCPs

Physicians (MD, DO)208
Nurses1
Physician assistants1
Other clinicians15

On-Call Specialists physicians by specialty

  1. Cardiovascular disease18
  2. Family medicine16
  3. Surgery16
  4. Orthopaedic surgery15
  5. Gastroenterology12

Share of the group's 208 physicians.

On-Call Specialists physicians

View all 225 HCPs

Sources: NPPES NPI Registry (CMS); Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

On-Call Specialists has 23 practice locations in California

Full footprint

See every site where On-Call Specialists HCPs practice

Open all 23 practice locations and 10 hospitals with facility phones, patient visits and the HCPs at each site.

On-Call Specialists covers 17 specialty areas, led by primary care

Primary care is On-Call Specialists' core specialty, and its HCPs practice 19 subspecialties in all.

  • Primary careCore
  • Behavioral and mental health
  • Cardiology
  • Dental and oral surgery
  • Dermatology
  • Emergency and hospital medicine
  • ENT and audiology
  • Eye care
  • Gastroenterology
  • Neurology and neurosurgery
  • Ob/gyn and women's health
  • Orthopedics and sports medicine
  • Plastic and cosmetic surgery
  • Podiatry
  • Rheumatology, allergy and immunology
  • Surgery
  • Urology and nephrology

Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Dmand AI tracks 1 EHR vendor at On-Call Specialists

Vendor and product names for each practice location are available with a free account.

EHR systems at On-Call Specialists
SiteEHR vendorProduct
Main siteAvailable with a free accountAvailable with a free account
22 other practice locationsAvailable with a free accountAvailable with a free account

Source: Dmand AI Technology Install Data

Primary care groups in California similar in size to On-Call Specialists

These primary care groups have the closest number of HCPs to On-Call Specialists.

See all 3,969 primary care groups in California

Sources: Dmand AI Affiliation Data; and Dmand AI Peer Benchmarks

Sources for On-Call Specialists data

Sources for the data on this page
Data on this pageSource
NPI, PAC ID and addressNPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Dmand ID, phone, website, LinkedIn and group profileDmand AI Org Hierarchy DataDmand AI Organization Profile Data
Medicare Part B paymentsMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
Parent organizations and sister groupsDmand AI Org Hierarchy Data
HCPs and physician specialtiesNPPES NPI Registry (CMS) (opens in a new tab)Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Specialty areasDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Practice locations and hospitalsDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
EHR vendorsDmand AI Technology Install Data
Similar groupsDmand AI Affiliation DataDmand AI Peer Benchmarks

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about On-Call Specialists

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is On-Call Specialists' NPI number?

On-Call Specialists' primary NPI (Type 2) is 1962175836.

What is On-Call Specialists' PAC ID?

On-Call Specialists' Medicare PAC ID is 7911395231, which means the group is enrolled in Medicare.

How many locations does On-Call Specialists have?

Dmand AI links On-Call Specialists to 23 practice locations in California. Its main site is at 550 Washington St, San Diego, CA 92103-2105.

What is On-Call Specialists' phone number?

On-Call Specialists' main phone number is (619) 359-6600.

Who owns On-Call Specialists?

Dmand AI places On-Call Specialists under On-Call Specialists, an independent practice.

How many physicians does On-Call Specialists have?

Dmand AI links 208 physicians and 225 HCPs in all to On-Call Specialists.

What specialties does On-Call Specialists cover?

On-Call Specialists covers 17 specialty areas, led by primary care. The largest physician specialties are cardiovascular disease (18), family medicine (16) and surgery (16).

What hospitals do On-Call Specialists HCPs practice at?

On-Call Specialists HCPs practice at 10 hospitals with 5 or more of the group's HCPs, led by Scripps Mercy Hospital San Diego and Sharp Chula Vista Medical Center.

How much does On-Call Specialists receive from Medicare?

CMS data shows $37.7 million in Medicare Part B payments to On-Call Specialists.

Selling to primary care groups?

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