William Matthew Fallin, PA

  • Mobile, AL
  • Physician assistant
NPI1649477407PAC ID3577655232
Medicare patients, 2024
129
Part D claims, 2024
6,375
Hospital affiliations
2
Industry payments
$15
Medical groups
4
Practice address
5570 Rangeline Rd, Mobile, AL 36619
Practice phone
Call (251) 662-9760
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Synergy Laboratories, Inc.

Mobile, Alabama

See all 11 affiliations

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William Matthew Fallin is a physician assistant in Mobile, Alabama

William Fallin practices at Synergy Laboratories, Inc. in Mobile, Alabama.

William Fallin's NPI, 1649477407, was assigned on June 27, 2007. William Fallin holds Alabama license PA-527.

NPI and contact details
Medicare PAC ID
3577655232
NPI enumeration date
June 27, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(251) 662-9760
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2007

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

William Matthew Fallin practices at Synergy Laboratories, Inc. in Mobile, Alabama

William Fallin's primary practice is Synergy Laboratories, Inc., at 5570 Rangeline Rd, Mobile, AL 36619 in Mobile County. The practice phone is (251) 662-9760.

  • Synergy Laboratories, Inc.
    5570 Rangeline Rd, Mobile, AL 36619 · Mobile CountyPhone(251) 662-9760

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

William Matthew Fallin is affiliated with 7 sites of care and 4 medical groups

William Fallin's primary practice is Synergy Laboratories, Inc. in Mobile, Alabama. William Fallin is also affiliated with Marshall Medical Center South. The medical group on file is Signify Health. Dmand AI also links William Fallin to 1 more hospital, 3 medical groups, 2 group practices and clinics, 1 home health agency and 1 rural health clinic, each named with a free account.

See all 11 affiliations for William Fallin

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

Dmand AI tracks the EHR system at William Matthew Fallin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Fallin practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Synergy Laboratories, Inc.Available with a free account
+6 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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William Matthew Fallin is one of 195 physician assistants in Alabama

Medical is William Fallin's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. William Fallin is licensed in Alabama.

Specialties and state licenses

  • Medical physician assistant, AlabamaPrimaryLicense PA-527 · taxonomy 363AM0700X

Physician assistants near William Fallin

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

William Matthew Fallin treated 129 Medicare patients in 2024, average age 75

CMS counts 129 Medicare patients who saw William Fallin in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high blood pressure, and 59% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts William Fallin's median patient age at 63, with 50% women.

Medicare patients, 2024129
Average age75
Average risk score1.09
Also on Medicaid13%

William Fallin's Medicare patients by age, 2024

William Fallin's Medicare patients by sex, 2024

  • Women6349%
  • Men6651%

Chronic conditions among William Fallin's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol59%
  3. Arthritis33%
  4. Diabetes33%
  5. Ischemic heart disease30%
  6. Atrial fibrillation19%
  7. Anxiety16%
  8. Heart failure15%

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

William Fallin's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

William Matthew Fallin wrote 6,375 Medicare Part D claims in 2024

In 2024, William Fallin wrote 6,375 Medicare Part D claims for 388 patients. 85% of them were for generic drugs.

Part D claims, 20246,375
Part D patients388

William Fallin's Part D claims by kind of drug, 2024

  • Generic5,400 claims85%
  • Brand-name934 claims15%
  • Other41 claims1%

Drug classes CMS tracks in William Fallin's Part D claims, 2024

  • Opioids1%34 of 6,375 claims
  • Antibiotics5%343 of 6,375 claims
  • Antipsychotics, patients 65 and over1%58 of 6,375 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How William Matthew Fallin takes part in Medicare

William Fallin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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William Matthew Fallin received $15 in industry payments in 2025

CMS Open Payments shows 1 general payment to William Fallin from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Axsome Therapeutics, Inc. paid the most, $15.

Companies that paid William Fallin the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to William Fallin

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

Sources for William Matthew Fallin'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 William Matthew Fallin

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

What is William Matthew Fallin's NPI number?

William Matthew Fallin's NPI number is 1649477407. It was assigned on June 27, 2007, and it is active in the NPI Registry.

What does William Matthew Fallin specialize in?

William Matthew Fallin is a physician assistant in Mobile, Alabama. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does William Matthew Fallin practice?

William Fallin practices at 5570 Rangeline Rd, Mobile, AL 36619. William Fallin's primary practice is Synergy Laboratories, Inc. in Mobile, Alabama. Dmand AI also links William Fallin to 1 hospital, 3 medical groups, 2 group practices and clinics, 1 home health agency and 1 rural health clinic.

What is William Matthew Fallin's office phone number?

The practice phone on file for William Fallin is (251) 662-9760.

What is William Matthew Fallin's medical license number?

William Fallin holds Alabama license PA-527.

Which hospitals is William Matthew Fallin affiliated with?

William Fallin is affiliated with Marshall Medical Center South. Dmand AI links William Fallin to 1 more hospital.

What medical group is William Matthew Fallin part of?

William Fallin is linked to Signify Health. Dmand AI links William Fallin to 3 more medical groups.

Does William Matthew Fallin accept Medicare?

Yes. CMS lists William Fallin as accepting Medicare assignment.

How many Medicare patients does William Matthew Fallin see?

CMS counts 129 Medicare patients who saw William Fallin in 2024, with an average age of 75.

Has William Matthew Fallin received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to William Fallin from 1 company from 2025 to 2025. The largest total came from Axsome Therapeutics, Inc.

How long has William Matthew Fallin been practicing?

William Fallin graduated from medical school in 2007, 19 years ago.

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