Dr. John Thomas Paas, MD

  • Oceanside, CA
  • OB-GYN
NPI1245322908
Part D claims, 2019
16
Hospital affiliations
2
Industry payments
$158
Medical groups
9
Insurance carriers
17
Practice address
4002 Vista Way, Oceanside, CA 92056
Practice phone
Call (760) 724-8411
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Sharp Tri-City Medical Center

Hospital · Oceanside, California

See all 14 affiliations

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Dr. John Thomas Paas is an OB-GYN in Oceanside, California

Dr. Paas practices at Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare.

Dr. Paas' NPI, 1245322908, was assigned on September 29, 2006. Dr. Paas graduated from Wayne State University School Of Medicine in 1992. Dr. Paas holds California license G84828.

NPI and contact details
NPI enumeration date
September 29, 2006
NPI status
Active
Practice phone
(760) 724-8411
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
60
Medical school graduation
1992

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. John Thomas Paas practices at Sharp Tri-City Medical Center in Oceanside, California

Dr. Paas' primary practice is Sharp Tri-City Medical Center, at 4002 Vista Way, Oceanside, CA 92056 in San Diego County. The practice phone is (760) 724-8411.

Source: Dmand AI Affiliation Data

Dr. John Thomas Paas is affiliated with 5 sites of care and 9 medical groups

Dr. Paas' primary practice is Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare. Dr. Paas is also affiliated with UCI Health - Orange. The medical group on file is OB/GYN University Associates. Dmand AI also links Dr. Paas to 8 more medical groups and 3 group practices and clinics, each named with a free account.

See all 14 affiliations for Dr. Paas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Thomas Paas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Paas practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sharp Tri-City Medical CenterAvailable with a free account
+4 more sites and 8 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Thomas Paas is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Paas' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Paas is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Paas' licenses on file in 7 states: California, Montana, Utah, Nevada, Ohio, Michigan and Illinois.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense G84828 · 1998 to 2026 · taxonomy 207V00000X
  • Montana license2023 to 2027
  • Obstetrics, UtahLicense 9889680-1205 · 2016 to 2026 · taxonomy 207VX0000X
  • Nevada license2002 to 2025
  • Ohio license2014 to 2018
  • Michigan license1994 to 2017
  • Illinois license1992 to 1996

OB-GYNs near Dr. Paas

Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.

4,642OB-GYNs in California
6OB-GYNs in Oceanside

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Thomas Paas' patients have a median age of 32

Across all payers, Dmand AI patient panel data puts Dr. Paas' median patient age at 32, with 99% women.

Dr. Paas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 32

Patient panel by sex, all payers

  • Women99%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. John Thomas Paas wrote 16 Medicare Part D claims in 2019

In 2019, Dr. Paas wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $3,411 in total drug cost.

Part D claims, 201916
Drugs named by CMS1
Total drug cost$3,411

Dr. Paas' most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Paas

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. John Thomas Paas received $158 in industry payments from 2021 to 2022

CMS Open Payments shows 8 general payments to Dr. Paas from 5 drug and device companies from 2021 to 2022. Food and beverage make up the largest share, 89% of the total. Pfizer Inc. paid the most, $46.

General payments to Dr. Paas by program year, 2021 to 2022

General payments to Dr. Paas by kind, 2021 to 2022

$158in total
  • Food and beverage$14189%
  • Education$1711%

Companies that paid Dr. Paas the most, 2021 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Paas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Thomas Paas graduated from Wayne State University School Of Medicine

Dr. Paas graduated from Wayne State University School Of Medicine in 1992.

  1. Medical schoolWayne State University School Of Medicine
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. John Thomas Paas accepts plans from 17 insurance carriers

Dr. Paas is in network with 17 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Paas accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO8
  4. POS6
  5. EPO5
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. John Thomas Paas's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Thomas Paas

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

What is Dr. John Thomas Paas' NPI number?

Dr. John Thomas Paas' NPI number is 1245322908. It was assigned on September 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Thomas Paas?

Dr. John Thomas Paas is an OB-GYN in Oceanside, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. John Thomas Paas practice?

Dr. Paas practices at 4002 Vista Way, Oceanside, CA 92056. Dr. Paas' primary practice is Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare. Dmand AI also links Dr. Paas to 8 medical groups and 3 group practices and clinics.

What is Dr. John Thomas Paas' office phone number?

The practice phone on file for Dr. Paas is (760) 724-8411.

What is Dr. John Thomas Paas' medical license number?

Dr. Paas holds California license G84828, one of the licenses on file in 7 states.

Which states has Dr. John Thomas Paas been licensed in?

Dmand AI has state licenses on file for Dr. Paas in California (1998 to 2026), Montana (2023 to 2027), Utah (2016 to 2026), Nevada (2002 to 2025), Ohio (2014 to 2018), Michigan (1994 to 2017) and Illinois (1992 to 1996).

Which hospitals is Dr. John Thomas Paas affiliated with?

Dr. Paas practices at Sharp Tri-City Medical Center in Oceanside, California. Dr. Paas is also affiliated with UCI Health - Orange.

What medical group is Dr. John Thomas Paas part of?

Dr. Paas is linked to OB/GYN University Associates. Dmand AI links Dr. Paas to 8 more medical groups.

Is Dr. John Thomas Paas board certified?

Yes. Dr. Paas is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

Where did Dr. John Thomas Paas go to medical school?

Dr. Paas graduated from Wayne State University School Of Medicine in 1992.

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What drugs does Dr. John Thomas Paas prescribe most?

In 2019 Medicare Part D data, Dr. Paas' most prescribed drugs by claims were Estradiol.

Has Dr. John Thomas Paas received payments from drug or device companies?

CMS Open Payments shows $158 in general payments to Dr. Paas from 5 companies from 2021 to 2022. The largest total came from Pfizer Inc.

How long has Dr. John Thomas Paas been practicing?

Dr. Paas graduated from medical school in 1992, 34 years ago.

What insurance does Dr. John Thomas Paas accept?

Dr. Paas is in network with 17 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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