Dr. Guillermo A. Herrera, MD
- Medicare services, 2024
- 421
- Medicare patients, 2024
- 46
- MIPS score, 2024
- 95
- Hospital affiliations
- 4
- Industry payments
- $12,670
- Practice address
- 1601 Center St, Mobile, AL 36604
- Practice phone
- Call (251) 434-3711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Usa Health Physician Billing Services
Mobile, Alabama
Find Dr. Herrera's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Guillermo A. Herrera is a pathologist in Mobile, Alabama
Dr. Herrera practices at Usa Health Physician Billing Services in Mobile, Alabama.
Dr. Herrera's NPI, 1558375220, was assigned on July 28, 2006. Dr. Herrera graduated from University of Puerto Rico School of Medicine in 1975. Dr. Herrera holds Alabama license MD.10166.
- NPI
- 1558375220NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042226979
- NPI enumeration date
- July 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (251) 434-3711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guillermo A. Herrera practices at Usa Health Physician Billing Services in Mobile, Alabama
Dr. Herrera's primary practice is Usa Health Physician Billing Services, at 1601 Center St, Mobile, AL 36604 in Mobile County. The practice phone is (251) 434-3711.
- Usa Health Physician Billing Services1601 Center St, Mobile, AL 36604 · Mobile CountyPhone(251) 434-3711
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Guillermo A. Herrera is affiliated with 5 sites of care and 2 medical groups
Dr. Herrera's primary practice is Usa Health Physician Billing Services in Mobile, Alabama. Dr. Herrera is also affiliated with USA Health University Hospital. The medical group on file is USA Health Physician Billing. Dmand AI also links Dr. Herrera to 3 more hospitals and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Guillermo A. Herrera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herrera practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Usa Health Physician Billing Services | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guillermo A. Herrera is one of 136 pathologists in Alabama
Anatomic pathology and clinical pathology is Dr. Herrera's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dmand AI has Dr. Herrera's licenses on file in 3 states: Alabama, Louisiana and Missouri.
Specialties and state licenses
- Anatomic pathology and clinical pathology, AlabamaPrimary
- Louisiana license
- Missouri license
Pathologists near Dr. Herrera
Counts of pathologists 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
Dr. Guillermo A. Herrera billed Medicare for 421 services in 2024
CMS data shows 421 Medicare services from Dr. Herrera across 5 procedure codes in 2024, for 46 Medicare patients. Medicare paid $9,030 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Herrera's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 5172024: 42119%
Dr. Herrera compared with the Alabama median for pathologists, 2024
- Dr. Herrera
- Alabama median
- Medicare services
- 421vs 87152% below
- Medicare patients
- 46vs 42889% below
Medians across 127 pathologists in Alabama with Dmand AI profiles that report each measure.
Dr. Herrera'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
Dr. Guillermo A. Herrera treated 46 Medicare patients in 2024, average age 71
CMS counts 46 Medicare patients who saw Dr. Herrera in 2024. The largest group is 75 to 84, with 19 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.81, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Herrera's median patient age at 62, with 76% women.
Dr. Herrera's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Herrera's Medicare patients by sex, 2024
- Women2043%
- Men2657%
Chronic conditions among Dr. Herrera's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease72%
- Diabetes57%
- Ischemic heart disease43%
- Arthritis41%
- Heart failure33%
- COPD28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herrera's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women76%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Guillermo A. Herrera scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Herrera for performance year 2024, reported as part of a group. Dr. Herrera accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Herrera's MIPS scores, performance year 2024
- 95of 100Final score
- 85.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Dr. Guillermo A. Herrera received $12,670 in industry payments from 2016 to 2025
CMS Open Payments shows 25 general payments to Dr. Herrera from 8 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 41% of the total. The Binding Site Inc. paid the most, $10,116.
General payments to Dr. Herrera by program year, 2016 to 2025
General payments to Dr. Herrera by kind, 2016 to 2025
- Honoraria$5,16141%
- Travel and lodging$3,96731%
- Speaker and faculty fees$2,26718%
- Food and beverage$1,20410%
- Consulting fees$711%
Companies that paid Dr. Herrera the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Guillermo A. Herrera graduated from University of Puerto Rico School of Medicine
Dr. Herrera graduated from University of Puerto Rico School of Medicine in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Guillermo A. Herrera's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Guillermo A. Herrera
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. Guillermo A. Herrera's NPI number?
Dr. Guillermo A. Herrera's NPI number is 1558375220. It was assigned on July 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Guillermo A. Herrera?
Dr. Guillermo A. Herrera is a pathologist in Mobile, Alabama. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Guillermo A. Herrera practice?
Dr. Herrera practices at 1601 Center St, Mobile, AL 36604. Dr. Herrera's primary practice is Usa Health Physician Billing Services in Mobile, Alabama. Dmand AI also links Dr. Herrera to 3 hospitals and 1 medical group.
What is Dr. Guillermo A. Herrera's office phone number?
The practice phone on file for Dr. Herrera is (251) 434-3711.
What is Dr. Guillermo A. Herrera's medical license number?
Dr. Herrera holds Alabama license MD.10166, one of the licenses on file in 3 states.
Which states has Dr. Guillermo A. Herrera been licensed in?
Dmand AI has state licenses on file for Dr. Herrera in Alabama, Louisiana and Missouri.
Which hospitals is Dr. Guillermo A. Herrera affiliated with?
Dr. Herrera is affiliated with USA Health University Hospital. Dmand AI links Dr. Herrera to 3 more hospitals.
What medical group is Dr. Guillermo A. Herrera part of?
Dr. Herrera is linked to USA Health Physician Billing. Dmand AI links Dr. Herrera to 1 more medical group.
Does Dr. Guillermo A. Herrera accept Medicare?
Yes. CMS data shows Dr. Herrera billed Medicare for 421 services in 2024, and Dr. Herrera accepts Medicare assignment.
What is Dr. Guillermo A. Herrera's MIPS score?
Dr. Herrera's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Guillermo A. Herrera see?
CMS counts 46 Medicare patients who saw Dr. Herrera in 2024, with an average age of 71.
What services does Dr. Guillermo A. Herrera bill to Medicare?
In 2024, Dr. Herrera's most billed Medicare services were lab and pathology test (88350), lab and pathology test (88313) and lab and pathology test (88305).
Where did Dr. Guillermo A. Herrera go to medical school?
Dr. Herrera graduated from University of Puerto Rico School of Medicine in 1975.
Has Dr. Guillermo A. Herrera received payments from drug or device companies?
CMS Open Payments shows $12,670 in general payments to Dr. Herrera from 8 companies from 2016 to 2025. The largest total came from The Binding Site Inc.
How long has Dr. Guillermo A. Herrera been practicing?
Dr. Herrera graduated from medical school in 1975, 51 years ago.
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