Dr. John M. Speca, MD
- Medicare services, 2023
- 278
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 457
- Hospital affiliations
- 1
- Industry payments
- $23
- Practice address
- 1400 E Union Street, Greenville, MS 38701
- Practice phone
- Call (502) 596-6346
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Delta Regional Medical Center - Unit
Acute Care Hospital-Unit · Greenville, Mississippi
Find Dr. Speca'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. John M. Speca is an orthopedic surgeon in Greenville, Mississippi
Dr. Speca practices at Delta Regional Medical Center - Unit in Greenville, Mississippi.
Dr. Speca's NPI, 1659330090, was assigned on March 23, 2006. Dr. Speca graduated from Loyola University of Chicago, Stritch School of Medicine in 1979. Dr. Speca holds Mississippi license 23479.
- NPI
- 1659330090NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2006
- NPI status
- Active
- Practice phone
- (502) 596-6346
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John M. Speca practices at Delta Regional Medical Center - Unit in Greenville, Mississippi
Dr. Speca's primary practice is Delta Regional Medical Center - Unit, at 1400 E Union Street, Greenville, MS 38701 in Washington County. The practice phone is (502) 596-6346.
- Delta Regional Medical Center - Unit1400 E Union Street, Greenville, MS 38701 · Washington CountyPhone(502) 596-6346
Source: Dmand AI Affiliation Data
Dr. John M. Speca is affiliated with 5 sites of care and 3 medical groups
Dr. Speca's primary practice is Delta Regional Medical Center - Unit in Greenville, Mississippi. The medical group on file is Delta Health System, The Medical Group. Dmand AI also links Dr. Speca to 3 more group practices and clinics, 2 medical groups and 1 breast imaging center, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John M. Speca's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Speca practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Delta Regional Medical Center - Unit | Available with a free account |
| +4 more sites and 2 medical groups | 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. John M. Speca is one of 159 orthopedic surgeons in Mississippi
Orthopaedic surgery is Dr. Speca's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Speca's licenses on file in 3 states: Mississippi, Illinois and Tennessee.
Specialties and state licenses
- Orthopaedic surgery, MississippiPrimary
- Illinois license
- Tennessee license
Orthopedic surgeons near Dr. Speca
Counts of orthopedic surgeons 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. John M. Speca billed Medicare for 278 services in 2023
CMS data shows 278 Medicare services from Dr. Speca across 5 procedure codes in 2023, for 15 Medicare patients. Medicare paid $13,131 for them. Every service was in an office.
Dr. Speca's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2122023: 17916%
- Drugs given in the office
- 2022: 1102023: 6739%
- Surgery
- 2022: 422023: 3224%
Dr. Speca compared with the Mississippi median for orthopedic surgeons, 2023
- Dr. Speca
- Mississippi median
- Medicare services
- 278vs 1,88285% below
- Medicare patients
- 15vs 35996% below
- Part D claims
- 391vs 29533% above
Medians across 150 orthopedic surgeons in Mississippi with Dmand AI profiles that report each measure.
Dr. Speca's most billed Medicare procedure codes, 2023
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. Speca?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Speca and other orthopedic surgeons in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John M. Speca treated 15 Medicare patients in 2024, average age 69
CMS counts 15 Medicare patients who saw Dr. Speca in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.50, 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. Speca's median patient age at 62, with 55% women.
Chronic conditions among Dr. Speca's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Speca'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
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John M. Speca wrote 457 Medicare Part D claims in 2024
In 2024, Dr. Speca wrote 457 Medicare Part D claims for 119 patients. 100% of them were for generic drugs. CMS names the drug for 391 of them, across 10 drugs with 11 or more claims each, at $3,533 in total drug cost. In 2023, CMS named 606 claims across 11 drugs.
Dr. Speca's Part D claims by kind of drug, 2024
- Generic456 claims100%
- Brand-name and other1 claims0%
Dr. Speca'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. Speca's Part D claims, 2024
- Opioids27%124 of 457 claims
- Antibiotics5%21 of 457 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: 6062024: 39135%
Drugs named by CMS: 10 in 2024, 11 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
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. John M. Speca received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Speca from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Solventum Corporation paid the most, $23.
Companies that paid Dr. Speca the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John M. Speca graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Speca graduated from Loyola University of Chicago, Stritch School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John M. Speca'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. John M. Speca
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 M. Speca's NPI number?
Dr. John M. Speca's NPI number is 1659330090. It was assigned on March 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Speca?
Dr. John M. Speca is an orthopedic surgeon in Greenville, Mississippi. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John M. Speca practice?
Dr. Speca practices at 1400 E Union Street, Greenville, MS 38701. Dr. Speca's primary practice is Delta Regional Medical Center - Unit in Greenville, Mississippi. Dmand AI also links Dr. Speca to 3 group practices and clinics, 2 medical groups and 1 breast imaging center.
What is Dr. John M. Speca's office phone number?
The practice phone on file for Dr. Speca is (502) 596-6346.
What is Dr. John M. Speca's medical license number?
Dr. Speca holds Mississippi license 23479, one of the licenses on file in 3 states.
Which states has Dr. John M. Speca been licensed in?
Dmand AI has state licenses on file for Dr. Speca in Mississippi, Illinois and Tennessee.
What medical group is Dr. John M. Speca part of?
Dr. Speca is linked to Delta Health System, The Medical Group. Dmand AI links Dr. Speca to 2 more medical groups.
Does Dr. John M. Speca accept Medicare?
Yes. CMS data shows Dr. Speca billed Medicare for 278 services in 2023.
How many Medicare patients does Dr. John M. Speca see?
CMS counts 15 Medicare patients who saw Dr. Speca in 2024, with an average age of 69.
What services does Dr. John M. Speca bill to Medicare?
In 2023, Dr. Speca's most billed Medicare services were office visit, established patient (99213), injected or infused drug (J0702) and office visit, new patient (99203).
Show 4 more questionsShow fewer questions
Where did Dr. John M. Speca go to medical school?
Dr. Speca graduated from Loyola University of Chicago, Stritch School of Medicine in 1979.
What drugs does Dr. John M. Speca prescribe most?
In 2024 Medicare Part D data, Dr. Speca's most prescribed drugs by claims were Diclofenac Sodium, Hydrocodone-Acetaminophen and Meloxicam.
Has Dr. John M. Speca received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Speca from 1 company from 2025 to 2025. The largest total came from Solventum Corporation.
How long has Dr. John M. Speca been practicing?
Dr. Speca graduated from medical school in 1979, 47 years ago.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in Mississippi 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