Andrew Ivan Mullen, PA

  • Pleasanton, CA
  • Physician assistant
NPI1063443992PAC ID8022908516
Medicare services, 2024
181
Medicare patients, 2024
165
Part D claims, 2024
140
MIPS score, 2024
98
Hospital affiliations
2
Practice address
5565 W Las Positas Blvd, Pleasanton, CA 94588
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Care Digestive Health Center of Pleasanton - HOPD

Acute Care Hospital outpatient department · Pleasanton, California

See all 7 affiliations

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Andrew Ivan Mullen is a physician assistant in Pleasanton, California

Andrew Mullen practices at Stanford Care Digestive Health Center of Pleasanton - HOPD in Pleasanton, California.

Andrew Mullen's NPI, 1063443992, was assigned on July 6, 2006. Andrew Mullen holds California license 52756.

NPI and contact details
Medicare PAC ID
8022908516
NPI enumeration date
July 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

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

Andrew Ivan Mullen practices at Stanford Care Digestive Health Center of Pleasanton - HOPD in Pleasanton, California

Andrew Mullen's primary practice is Stanford Care Digestive Health Center of Pleasanton - HOPD, at 5565 W Las Positas Blvd, Pleasanton, CA 94588.

  • Stanford Care Digestive Health Center of Pleasanton - HOPD
    5565 W Las Positas Blvd, Pleasanton, CA 94588

Source: Dmand AI Affiliation Data

Andrew Ivan Mullen is affiliated with 3 sites of care and 4 medical groups

Andrew Mullen's primary practice is Stanford Care Digestive Health Center of Pleasanton - HOPD in Pleasanton, California. Andrew Mullen is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Andrew Mullen to 1 more hospital and 3 medical groups, each named with a free account.

Stanford Care Digestive Health Center of Pleasanton - HOPDAcute Care Hospital outpatient department · Pleasanton, CaliforniaPrimary
Stanford Health Care Tri-ValleyAcute care hospital, Pleasanton, CAStanford Health CarePrimary care group, Stanford, CA1 hospitalName with a free account3 medical groupsNames with a free account
See all 7 affiliations for Andrew Mullen

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Andrew Ivan Mullen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Andrew Mullen practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Care Digestive Health Center of Pleasanton - HOPDAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Andrew Ivan Mullen is one of 11,482 physician assistants in California

Physician assistant is Andrew Mullen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Andrew Mullen is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Dmand AI has Andrew Mullen's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 52756 · taxonomy 363A00000X
  • Illinois licenseLicense 085-002101

Clinical focus

Dmand AI lists chronic indigestion and tobacco use among the conditions Andrew Mullen treats.

Physician assistants near Andrew Mullen

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

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

Andrew Ivan Mullen billed Medicare for 181 services in 2024

CMS data shows 181 Medicare services from Andrew Mullen across 5 procedure codes in 2024, for 165 Medicare patients. Medicare paid $13,209 for them.

Medicare services, 2024181
Medicare patients165
Paid by Medicare$13,209
Procedure codes5

Andrew Mullen's Medicare services by type, 2024

  1. Office and hospital visits149
  2. Other services32

Where Andrew Mullen's Medicare services took place, 2024

  • In an office5631%
  • In a facility12569%

Andrew Mullen compared with the California median for physician assistants, 2024

  • Andrew Mullen
  • California median
Medicare services
181vs 20411% below
Medicare patients
165vs 10557% above
Part D claims
75vs 24369% below

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Andrew Mullen's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Andrew Ivan Mullen treated 165 Medicare patients in 2024, average age 74

CMS counts 165 Medicare patients who saw Andrew Mullen in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Andrew Mullen's median patient age at 75, with 47% women.

Medicare patients, 2024165
Average age74
Average risk score2.75
Also on Medicaid28%

Andrew Mullen's Medicare patients by age, 2024

Andrew Mullen's Medicare patients by sex, 2024

  • Women8149%
  • Men8451%

Chronic conditions among Andrew Mullen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer50%
  4. Chronic kidney disease47%
  5. Ischemic heart disease47%
  6. Diabetes45%
  7. Arthritis44%
  8. COPD32%

Share of Medicare patients with each condition. A patient can have several.

Andrew Mullen's patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women47%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Andrew Ivan Mullen wrote 140 Medicare Part D claims in 2024

In 2024, Andrew Mullen wrote 140 Medicare Part D claims for 56 patients. 84% of them were for generic drugs. CMS names the drug for 75 of them, across 3 drugs with 11 or more claims each, at $10,589 in total drug cost.

Part D claims, 2024140
Drugs named by CMS3
Total drug cost$10,589
Part D patients56

Andrew Mullen's Part D claims by kind of drug, 2024

  • Generic118 claims84%
  • Brand-name22 claims16%

Andrew Mullen's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Andrew Mullen's Part D claims, 2024

  • Opioids25%35 of 140 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Andrew Mullen

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

Andrew Ivan Mullen scored 98 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Andrew Mullen for performance year 2024, reported as part of a group. Andrew Mullen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Andrew Mullen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Andrew Mullen's MIPS scores, performance year 2024

  • 98of 100Final score
  • 92.7of 100Quality
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Andrew Ivan Mullen received $792 in industry payments in 2024

CMS Open Payments shows 7 general payments to Andrew Mullen from 3 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Silk Road Medical, Inc. paid the most, $487.

Companies that paid Andrew Mullen the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Andrew Mullen

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

Andrew Ivan Mullen is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Andrew Ivan Mullen'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 Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Andrew Ivan Mullen

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

What is Andrew Ivan Mullen's NPI number?

Andrew Ivan Mullen's NPI number is 1063443992. It was assigned on July 6, 2006, and it is active in the NPI Registry.

What does Andrew Ivan Mullen specialize in?

Andrew Ivan Mullen is a physician assistant in Pleasanton, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Andrew Ivan Mullen practice?

Andrew Mullen practices at 5565 W Las Positas Blvd, Pleasanton, CA 94588. Andrew Mullen's primary practice is Stanford Care Digestive Health Center of Pleasanton - HOPD in Pleasanton, California. Dmand AI also links Andrew Mullen to 1 hospital and 3 medical groups.

What is Andrew Ivan Mullen's medical license number?

Andrew Mullen holds California license 52756, one of the licenses on file in 2 states.

Which states has Andrew Ivan Mullen been licensed in?

Dmand AI has state licenses on file for Andrew Mullen in California and Illinois.

Which hospitals is Andrew Ivan Mullen affiliated with?

Andrew Mullen is affiliated with Stanford Health Care Tri-Valley. Dmand AI links Andrew Mullen to 1 more hospital.

What medical group is Andrew Ivan Mullen part of?

Andrew Mullen is linked to Stanford Health Care. Dmand AI links Andrew Mullen to 3 more medical groups.

Does Andrew Ivan Mullen accept Medicare?

Yes. CMS data shows Andrew Mullen billed Medicare for 181 services in 2024, and Andrew Mullen accepts Medicare assignment.

Does Andrew Ivan Mullen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Andrew Mullen as offering telehealth services.

What is Andrew Ivan Mullen's MIPS score?

Andrew Mullen's MIPS final score for performance year 2024 is 98 out of 100, reported as part of a group.

Show 6 more questionsShow fewer questions

How many Medicare patients does Andrew Ivan Mullen see?

CMS counts 165 Medicare patients who saw Andrew Mullen in 2024, with an average age of 74.

Is Andrew Ivan Mullen board certified?

Yes. Andrew Mullen is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What services does Andrew Ivan Mullen bill to Medicare?

In 2024, Andrew Mullen's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).

What drugs does Andrew Ivan Mullen prescribe most?

In 2024 Medicare Part D data, Andrew Mullen's most prescribed drugs by claims were Gabapentin, Oxycodone HCl and Xarelto.

Has Andrew Ivan Mullen received payments from drug or device companies?

CMS Open Payments shows $792 in general payments to Andrew Mullen from 3 companies from 2024 to 2024. The largest total came from Silk Road Medical, Inc.

How long has Andrew Ivan Mullen been practicing?

Andrew Mullen graduated from medical school in 2003, 23 years ago.

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