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Senior Doc

  • Single-specialty group
  • Santa Ana, CA
  • Core specialty: Primary care
NPI1750961637PAC ID648689174Dmand IDNG-MGR-008052
Total HCPs
28
Physicians (MD/DO)
7
Nurses and PAs
21
Executives
157
Practice locations
6
Main site
5 Hutton Centre Dr Ste 950, Santa Ana, CA 83687-9222
Main phone
(558) 434-7763
Specialty areas
2, led by primary care
Website and social

Parent organization

Senior Doc

Physician practice platform · Santa Ana, California

Find the right contacts among 157 executives and 28 HCPs

Professional emails, personal emails and mobile numbers for Senior Doc's buying committee, with a free Dmand AI account.

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Senior Doc is a single-specialty medical group with 6 practice locations in 6 states

Senior Doc (Senior Doc Idaho PC) is based in Santa Ana, California, part of Senior Doc.

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

Karen Telles is VP of provider relations & recruitment of Senior Doc

Dmand AI tracks 157 executives and staff leaders at Senior Doc. Waterfall enrichment finds their professional emails, personal emails and mobile numbers.

Karen Telles

VP of Provider Relations & Recruitment

PhoneEmail
Michael Basch

Medical Director

PhoneEmail
M. Umer Waris

Regional Medical Director

PhoneEmail

Executives by department

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Source: Dmand AI Executive Data

Senior Doc's NPI is 1750961637 and its PAC ID is 648689174

Identifiers
Primary NPI (Type 2)
1750961637NPI Registry (opens in a new tab)
Medicare PAC ID
648689174
Dmand ID
NG-MGR-008052
Medicare enrollment
Enrolled (PAC ID on file)
Contact
Main site address
5 Hutton Centre Dr Ste 950, Santa Ana, CA 83687-9222
Main phone
(558) 434-7763
Website
seniordoc.com (opens in a new tab)
LinkedIn
linkedin.com/company/seniordoc (opens in a new tab)
Executive emails and mobiles
Get contacts
Classification
Group type
Single-specialty
Core specialty
Primary care
Specialty areas
2
Site structure
Multi-site
Ownership model
DSO / MSO
Leadership
Physician-led
Medicare Part B payments
$6M
Legal name
Senior Doc Idaho PC

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

Senior Doc is part of Senior Doc

Dmand AI places Senior Doc under Senior Doc, a physician practice platform.

  • Senior DocPhysician practice platform
  • Senior DocSingle-specialty medical group · Santa Ana, CA
  • 27 other medical groups

27 other medical groups are part of Senior Doc

Senior DocMedical group · CaliforniaSenior DocMedical group · California
+25 more medical groups in Senior DocAvailable with a free account

Source: Dmand AI Org Hierarchy Data

Org hierarchy

Map Senior Doc's entire network

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

View the full org treeBook a meeting

Senior Doc has 7 physicians among 28 HCPs

Physicians (MD, DO)7
Nurses17
Physician assistants4

Senior Doc physicians by specialty

  1. Family medicine4
  2. Internal medicine1
  3. Neurology1
  4. Psychiatry1

Share of the group's 7 physicians.

Senior Doc physicians

Dr. John Mark Geiss, DOFamily medicine physician, Whittier, CADr. Meredith Alexandra Bock, MDNeurologist, Orange, CAJeffrey John ThomasInternist, Pomona, CANicole Diane Frankle, FNPFamily medicine physician, Orange, CADr. Steven L. Berry, MDFamily medicine physician, Provo, UTJoseph Machtinger, PMHNP-BCPsychiatrist, Boise, ID
View all 28 HCPs

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

Senior Doc has 6 practice locations in 6 states

5Practice sites1Hospice

Senior Doc practice locations

Apollo Hospice IncHospice · Phoenix, AZSenior Doc Idaho - AlbuquerquePractice site · Albuquerque, NM
+4 more practice locationsAvailable with a free account

Senior Doc HCPs practice at 2 hospitals

St. Luke's Boise Medical Center8 HCPs from this group · Acute care hospital, Boise, IDSaint Alphonsus Regional Medical Center7 HCPs from this group · Acute care hospital, Boise, ID

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

Full footprint

See every site where Senior Doc HCPs practice

Open all 6 practice locations and 2 hospitals with facility phones, patient visits and the HCPs at each site.

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Senior Doc covers 2 specialty areas, led by primary care

Primary care is Senior Doc's core specialty, and its HCPs practice 2 subspecialties in all.

  • Primary careCore
  • Behavioral and mental health

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

Dmand AI tracks 1 EHR vendor at Senior Doc

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

EHR systems at Senior Doc
SiteEHR vendorProduct
Main siteAvailable with a free accountAvailable with a free account
5 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 Senior Doc

These primary care groups have the closest number of HCPs to Senior Doc.

Similar medical groups by number of HCPs
Medical groupHCPs
Benchmark Hospitalists & IntensivistsEl Segundo, CA28
Harbor Wound CareBanning, CA28
Hp Intensivist Medical Group, Inc.Los Angeles, CA28
Innovative Medical GroupTemecula, CA28
Little Company Hospitalist Medical GroupEl Segundo, CA28
See all 3,969 primary care groups in California

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

Sources for Senior Doc 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
Executives and departmentsDmand AI Executive 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 Senior Doc

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

What is Senior Doc's NPI number?

Senior Doc's primary NPI (Type 2) is 1750961637.

What is Senior Doc's PAC ID?

Senior Doc's Medicare PAC ID is 648689174, which means the group is enrolled in Medicare.

How many locations does Senior Doc have?

Dmand AI links Senior Doc to 6 practice locations in 6 states. Its main site is at 5 Hutton Centre Dr Ste 950, Santa Ana, CA 83687-9222.

What is Senior Doc's phone number?

Senior Doc's main phone number is (558) 434-7763.

Who owns Senior Doc?

Dmand AI places Senior Doc under Senior Doc, a physician practice platform.

How many physicians does Senior Doc have?

Dmand AI links 7 physicians and 28 HCPs in all to Senior Doc.

What specialties does Senior Doc cover?

Senior Doc covers 2 specialty areas, led by primary care. The largest physician specialties are family medicine (4), internal medicine (1) and neurology (1).

What hospitals do Senior Doc HCPs practice at?

Senior Doc HCPs practice at 2 hospitals with 5 or more of the group's HCPs, led by St. Luke's Boise Medical Center and Saint Alphonsus Regional Medical Center.

Who leads Senior Doc?

Leaders at Senior Doc include Karen Telles (VP of Provider Relations & Recruitment), Michael Basch (Medical Director) and M. Umer Waris (Regional Medical Director).

How much does Senior Doc receive from Medicare?

CMS data shows $6 million in Medicare Part B payments to Senior Doc.

What other medical groups are part of Senior Doc?

Senior Doc has 27 other medical groups in Dmand AI, including Senior Doc and Senior Doc.

Selling to primary care groups?

See Senior Doc from parent organization to every site of care

Dmand AI maps 181K+ medical groups and 997K+ sites of care, with the HCPs and executives at each one.

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