Dr. Andrej Spec, MD
- Medicare services, 2024
- 109
- Medicare patients, 2024
- 81
- Part D claims, 2024
- 140
- Publications
- 83
- Clinical trials
- 4
- Practice address
- 620 S Taylor Ave, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-5192
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Washington University School of Medicine
Saint Louis, Missouri
Find Dr. Spec'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. Andrej Spec is an infectious disease specialist in Saint Louis, Missouri
Dr. Spec practices at Washington University School of Medicine in Saint Louis, Missouri.
Dr. Spec's NPI, 1922326297, was assigned on May 12, 2010. Dr. Spec graduated from Chicago College of Medicine and Surgery in 2010. Dr. Spec holds Missouri license 2016000564.
- NPI
- 1922326297NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789813833
- NPI enumeration date
- May 12, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-5192
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrej Spec practices at Washington University School of Medicine in Saint Louis, Missouri
Dr. Spec's primary practice is Washington University School of Medicine, at 620 S Taylor Ave, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 747-5192.
- Washington University School of Medicine620 S Taylor Ave, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-5192
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andrej Spec is affiliated with 3 sites of care and 1 medical group
Dr. Spec's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Dr. Spec is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Spec to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Andrej Spec's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spec practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington University School of Medicine | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Andrej Spec is one of 179 infectious disease specialists in Missouri
Infectious disease is Dr. Spec's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Spec is licensed in Missouri.
Specialties and state licenses
- Infectious disease, MissouriPrimary
Infectious disease specialists near Dr. Spec
Counts of infectious disease specialists 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. Andrej Spec billed Medicare for 109 services in 2024
CMS data shows 109 Medicare services from Dr. Spec across 5 procedure codes in 2024, for 81 Medicare patients. Medicare paid $10,084 for them.
Dr. Spec's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1472024: 10926%
Where Dr. Spec's Medicare services took place, 2024
- In an office5752%
- In a facility5248%
Dr. Spec compared with the Missouri median for infectious disease specialists, 2024
- Dr. Spec
- Missouri median
- Medicare services
- 109vs 27661% below
- Medicare patients
- 81vs 12736% below
- Part D claims
- 72vs 20365% below
Medians across 176 infectious disease specialists in Missouri with Dmand AI profiles that report each measure.
Dr. Spec'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.
Need commercial claims for Dr. Spec?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Spec and other infectious disease specialists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrej Spec treated 81 Medicare patients in 2024, average age 67
CMS counts 81 Medicare patients who saw Dr. Spec in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 3.86, 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. Spec's median patient age at 68, with 49% women.
Dr. Spec's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Spec's Medicare patients by sex, 2024
- Women2835%
- Men5365%
Chronic conditions among Dr. Spec's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Diabetes57%
- Chronic kidney disease48%
- Mood disorders46%
- Ischemic heart disease43%
- Depression42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Spec's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrej Spec wrote 140 Medicare Part D claims in 2024
In 2024, Dr. Spec wrote 140 Medicare Part D claims for 30 patients. 77% of them were for generic drugs. CMS names the drug for 72 of them, across 4 drugs with 11 or more claims each, at $154,402 in total drug cost. In 2023, CMS named 95 claims across 6 drugs.
Dr. Spec's Part D claims by kind of drug, 2024
- Generic108 claims77%
- Brand-name32 claims23%
Dr. Spec'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 Dr. Spec's Part D claims, 2024
- Antibiotics35%49 of 140 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 952024: 7224%
Drugs named by CMS: 4 in 2024, 6 in 2023.
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
Dr. Andrej Spec scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Spec for performance year 2024, reported as part of a group. Dr. Spec accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Spec's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Andrej Spec has 83 publications on record
Dmand AI links 83 papers to Dr. Spec, published from 2013 to 2025. 2021 was the busiest year, with 15. The most frequent topics are Antifungal Agents, Cryptococcosis and Histoplasmosis. Dr. Spec has published most often in Open Forum Infect Dis. Dr. Spec's most frequent co-authors are William G. Powderly, MD, Patrick Bryan Mazi, MD and Peter G. Pappas.
Dr. Spec's papers by year, 2016 to 2025
Topics Dr. Spec writes about most
- Antifungal Agents
- Cryptococcosis
- Histoplasmosis
- HIV Infections
- Candida
- Candidemia
- Mycoses
- Invasive Fungal Infections
Dr. Spec's most frequent co-authors
- William G. Powderly, MD28 shared papers
- Patrick Bryan Mazi, MD12 shared papers
- Peter G. Pappas10 shared papers
Recent publications by Dr. Spec
Int Forum Allergy Rhinol
Transpl Infect Dis
See who Dr. Spec researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Spec works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Andrej Spec has worked on 4 clinical trials
Dmand AI links Dr. Spec to 4 clinical trials, 2 of them phase 2 studies. Conditions studied include Blastomycosis, Coccidioidomycosis and Invasive Pulmonary Aspergillosis.
Clinical trials with Dr. Spec by phase
- NonePhase 1: no trials
- 2Phase 2: 2 trials
- 1Phase 2/3: 1 trial
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Conditions in Dr. Spec's trials
- Blastomycosis
- Coccidioidomycosis
- Invasive Pulmonary Aspergillosis
- Mycobacterium Infections, Nontuberculous
- Histoplasmosis
Investigators on the most trials with Dr. Spec
- Marisa Haydee Miceli, MD2 shared trials
- Kathleen M. Mullane2 shared trials
- Peter G. Pappas2 shared trials
Recent clinical trials with Dr. Spec
SUBA-itraconazole Versus Conventional Itraconazole in the Treatment of Endemic Mycoses: a Multi-center, Open-label Comparative Trial (opens in a new tab)
Oral Omadacycline Vs. Placebo in Adults with NTM Pulmonary Disease Caused by Mycobacterium Abscessus Complex (MABc) (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Andrej Spec received $33,376 in industry payments from 2016 to 2025
CMS Open Payments shows 51 general payments to Dr. Spec from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 64% of the total. Astellas Pharma US Inc paid the most, $9,118. It also lists 8 research payments totaling $2,244 from 2019 to 2022.
General payments to Dr. Spec by program year, 2016 to 2025
General payments to Dr. Spec by kind, 2016 to 2025
- Consulting fees$21,34964%
- Honoraria$8,00024%
- Travel and lodging$2,2147%
- Food and beverage$1,4864%
- Education$3271%
Companies that paid Dr. Spec 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. Andrej Spec graduated from Chicago College of Medicine and Surgery
Dr. Spec graduated from Chicago College of Medicine and Surgery in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrej Spec'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 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) |
| Part D prescribing | Medicare 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Andrej Spec
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. Andrej Spec's NPI number?
Dr. Andrej Spec's NPI number is 1922326297. It was assigned on May 12, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrej Spec?
Dr. Andrej Spec is an infectious disease specialist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Andrej Spec practice?
Dr. Spec practices at 620 S Taylor Ave, Saint Louis, MO 63110. Dr. Spec's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Dmand AI also links Dr. Spec to 1 group practice or clinic.
What is Dr. Andrej Spec's office phone number?
The practice phone on file for Dr. Spec is (314) 747-5192.
What is Dr. Andrej Spec's medical license number?
Dr. Spec holds Missouri license 2016000564.
Which hospitals is Dr. Andrej Spec affiliated with?
Dr. Spec is affiliated with Barnes-Jewish Hospital.
What medical group is Dr. Andrej Spec part of?
Dr. Spec is linked to WashU Medicine Psychiatry.
Does Dr. Andrej Spec accept Medicare?
Yes. CMS data shows Dr. Spec billed Medicare for 109 services in 2024, and Dr. Spec accepts Medicare assignment.
What is Dr. Andrej Spec's MIPS score?
Dr. Spec's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Andrej Spec see?
CMS counts 81 Medicare patients who saw Dr. Spec in 2024, with an average age of 67.
Show 7 more questionsShow fewer questions
What services does Dr. Andrej Spec bill to Medicare?
In 2024, Dr. Spec's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, established patient (99213).
Where did Dr. Andrej Spec go to medical school?
Dr. Spec graduated from Chicago College of Medicine and Surgery in 2010.
What drugs does Dr. Andrej Spec prescribe most?
In 2024 Medicare Part D data, Dr. Spec's most prescribed drugs by claims were Ertapenem, Cresemba and Itraconazole.
Has Dr. Andrej Spec received payments from drug or device companies?
CMS Open Payments shows $33,376 in general payments to Dr. Spec from 11 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Andrej Spec been practicing?
Dr. Spec graduated from medical school in 2010, 16 years ago.
Does Dr. Andrej Spec do research?
Dmand AI links 83 publications to Dr. Spec, published from 2013 to 2025. Dr. Spec has worked on 4 clinical trials.
Who does Dr. Andrej Spec publish with?
Dr. Spec's most frequent co-authors are William G. Powderly, MD (28 shared papers), Patrick Bryan Mazi, MD (12 shared papers) and Peter G. Pappas (10 shared papers).
Selling to infectious disease practices?
See infectious disease specialists in Missouri by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card