South Med J
HemiterpenesMetabolism, Inborn ErrorsPentanoic Acids
Dr. Jeffrey Alexander Feinstein, MD
NPI1609867241PAC ID1759397334
- Medicare services, 2024
- 212,303
- Medicare patients, 2024
- 572
- Part D claims, 2024
- 4,026
- Publications
- 2
- MIPS score, 2024
- 93
- Practice address
- 8930 Fourwinds Dr Suite 100 Suite 100, Windcrest, TX 78239-1971
- Practice phone
- Call (210) 590-9596
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rheumatology Solutions
Multi-specialty group site · Windcrest, Texas
Find Dr. Feinstein'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. Jeffrey Alexander Feinstein is a rheumatologist in Windcrest, Texas
Dr. Feinstein practices at Rheumatology Solutions in Windcrest, Texas.
Dr. Feinstein's NPI, 1609867241, was assigned on November 2, 2005. Dr. Feinstein graduated from David Geffen School of Medicine at UCLA in 1998. Dr. Feinstein holds Texas license M2320.
NPI and contact details
- NPI
- 1609867241NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759397334
- NPI enumeration date
- November 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (210) 590-9596
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Alexander Feinstein practices at Rheumatology Solutions in Windcrest, Texas
Dr. Feinstein's primary practice is Rheumatology Solutions, at 8930 Fourwinds Dr Suite 100 Suite 100, Windcrest, TX 78239-1971. The practice phone is (210) 590-9596.
- Rheumatology Solutions8930 Fourwinds Dr Suite 100 Suite 100, Windcrest, TX 78239-1971Phone(210) 590-9596
Source: Dmand AI Affiliation Data
Dr. Jeffrey Alexander Feinstein is affiliated with 7 sites of care and 2 medical groups
Dr. Feinstein's primary practice is Rheumatology Solutions in Windcrest, Texas. Dr. Feinstein is also affiliated with Baptist Medical Center. The medical group on file is Rheumatology Solutions. Dmand AI also links Dr. Feinstein to 4 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Rheumatology SolutionsPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jeffrey Alexander Feinstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feinstein practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rheumatology Solutions | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Alexander Feinstein is one of 476 rheumatologists in Texas
Rheumatology is Dr. Feinstein's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Feinstein is board certified in rheumatology by the American Board of Internal Medicine. Dmand AI has Dr. Feinstein's licenses on file in 2 states: Texas and Colorado.
Specialties and state licenses
- Rheumatology, TexasPrimary
- Colorado license
Clinical focus
Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, gout, joint arthropathy, lupus, muscle disease and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Feinstein treats.
Rheumatologists near Dr. Feinstein
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
476rheumatologists in Texas
3rheumatologists in Windcrest
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Alexander Feinstein billed Medicare for 212,303 services in 2024
CMS data shows 212,303 Medicare services from Dr. Feinstein across 28 procedure codes in 2024, for 572 Medicare patients. Medicare paid $2,183,588 for them. Every service was in an office.
Medicare services, 2024212,303
Medicare patients572
Paid by Medicare$2.2M
Procedure codes28
Dr. Feinstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 190,2342024: 206,0848%
- Office and hospital visits
- 2023: 1,6952024: 2,90671%
- Tests and treatments
- 2023: 1,4352024: 1,64915%
- Other services
- 2023: 02024: 1,411
- Surgery
- 2023: 2232024: 25313%
Dr. Feinstein compared with the Texas median for rheumatologists, 2024
- Dr. Feinstein
- Texas median
- Medicare services
- 212,303vs 1,331159.5 times
- Medicare patients
- 572vs 1962.9 times
- Part D claims
- 3,584vs 1,1383.1 times
Medians across 451 rheumatologists in Texas with Dmand AI profiles that report each measure.
Dr. Feinstein'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. Feinstein?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Feinstein and other rheumatologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Alexander Feinstein treated 572 Medicare patients in 2024, average age 75
CMS counts 572 Medicare patients who saw Dr. Feinstein in 2024. The largest group is 75 to 84, with 244 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Feinstein's median patient age at 69, with 76% women.
Medicare patients, 2024572
Average age75
Average risk score1.47
Dr. Feinstein's Medicare patients by age, 2024
Dr. Feinstein's Medicare patients by sex, 2024
- Women41573%
- Men15727%
Chronic conditions among Dr. Feinstein's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease37%
- Osteoporosis34%
- Diabetes30%
- Ischemic heart disease28%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Feinstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women76%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey Alexander Feinstein wrote 4,026 Medicare Part D claims in 2024
In 2024, Dr. Feinstein wrote 4,026 Medicare Part D claims for 426 patients. 88% of them were for generic drugs. CMS names the drug for 3,584 of them, across 63 drugs with 11 or more claims each, at $2,031,395 in total drug cost. In 2023, CMS named 3,727 claims across 69 drugs.
Part D claims, 20244,026
Drugs named by CMS63
Total drug cost$2M
Part D patients426
Dr. Feinstein's Part D claims by kind of drug, 2024
- Generic3,558 claims88%
- Brand-name and other468 claims12%
Dr. Feinstein'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. Feinstein's Part D claims, 2024
- Opioids16%633 of 4,026 claims
- Antibiotics1%55 of 4,026 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: 3,7272024: 3,5844%
Drugs named by CMS: 63 in 2024, 69 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. Jeffrey Alexander Feinstein scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Feinstein for performance year 2024, reported as part of a group. Dr. Feinstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Feinstein as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Feinstein's MIPS scores, performance year 2024
- 93of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 78of 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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Dr. Jeffrey Alexander Feinstein has 2 publications on record
Dmand AI links 2 papers to Dr. Feinstein. Dr. Feinstein's most frequent co-authors are Ramon A. Arroyo, MD and Kevin E. O'Brien, MD.
Papers2
Dr. Feinstein's most frequent co-authors
- Ramon A. Arroyo, MD1 shared paper
- Kevin E. O'Brien, MD1 shared paper
Recent publications by Dr. Feinstein
J Clin Rheumatol
EtanerceptImmunoglobulin GPolyarteritis Nodosa
See who Dr. Feinstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Feinstein works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jeffrey Alexander Feinstein received $28,245 in industry payments from 2016 to 2025
CMS Open Payments shows 604 general payments to Dr. Feinstein from 40 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 42% of the total. Abbvie Inc. paid the most, $8,198.
General payments to Dr. Feinstein by program year, 2016 to 2025
General payments to Dr. Feinstein by kind, 2016 to 2025
$28.2Kin total
- Food and beverage$11,82942%
- Speaker and faculty fees$7,75027%
- Honoraria$6,49623%
- Consulting fees$1,2004%
- Other$9703%
Companies that paid Dr. Feinstein 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. Jeffrey Alexander Feinstein has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Feinstein, most recently Texas Super Doctors in 2024.
Awards and honors for Dr. Feinstein
- 2024
- Texas Super Doctors
- 2013
- CMS Stage 1 EHR
- Undated
- ACR Fellow
Source: Dmand AI Professional Profile Data
Dr. Jeffrey Alexander Feinstein graduated from David Geffen School of Medicine at UCLA
Dr. Feinstein graduated from David Geffen School of Medicine at UCLA in 1998. Dr. Feinstein is a member of ACR, Bexar County Medical Society and Texas Medical Association.
- Medical school
- Board certified in rheumatology
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Jeffrey Alexander Feinstein accepts plans from 13 insurance carriers
Dr. Feinstein is in network with 13 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Michigan
- HCSC
- Regence Health Plans
- Alliant Health Plans
- Aspirus Health Plan
- +5 more carriersWith a free account
Plan types Dr. Feinstein accepts, by number of carriers
- PPO8
- HMO7
- EPO4
- Medicare4
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jeffrey Alexander Feinstein'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) |
| 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Jeffrey Alexander Feinstein
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. Jeffrey Alexander Feinstein's NPI number?
Dr. Jeffrey Alexander Feinstein's NPI number is 1609867241. It was assigned on November 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Alexander Feinstein?
Dr. Jeffrey Alexander Feinstein is a rheumatologist in Windcrest, Texas. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Jeffrey Alexander Feinstein practice?
Dr. Feinstein practices at 8930 Fourwinds Dr Suite 100 Suite 100, Windcrest, TX 78239-1971. Dr. Feinstein's primary practice is Rheumatology Solutions in Windcrest, Texas. Dmand AI also links Dr. Feinstein to 4 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Jeffrey Alexander Feinstein's office phone number?
The practice phone on file for Dr. Feinstein is (210) 590-9596.
What is Dr. Jeffrey Alexander Feinstein's medical license number?
Dr. Feinstein holds Texas license M2320, one of the licenses on file in 2 states.
Which states has Dr. Jeffrey Alexander Feinstein been licensed in?
Dmand AI has state licenses on file for Dr. Feinstein in Texas (2005 to 2026) and Colorado (2020 to 2027).
Which hospitals is Dr. Jeffrey Alexander Feinstein affiliated with?
Dr. Feinstein is affiliated with Baptist Medical Center. Dmand AI links Dr. Feinstein to 4 more hospitals.
What medical group is Dr. Jeffrey Alexander Feinstein part of?
Dr. Feinstein is linked to Rheumatology Solutions. Dmand AI links Dr. Feinstein to 1 more medical group.
Does Dr. Jeffrey Alexander Feinstein accept Medicare?
Yes. CMS data shows Dr. Feinstein billed Medicare for 212,303 services in 2024, and Dr. Feinstein accepts Medicare assignment.
Does Dr. Jeffrey Alexander Feinstein offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Feinstein as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Jeffrey Alexander Feinstein's MIPS score?
Dr. Feinstein's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jeffrey Alexander Feinstein see?
CMS counts 572 Medicare patients who saw Dr. Feinstein in 2024, with an average age of 75.
Is Dr. Jeffrey Alexander Feinstein board certified?
Yes. Dr. Feinstein is board certified in rheumatology by the American Board of Internal Medicine.
What services does Dr. Jeffrey Alexander Feinstein bill to Medicare?
In 2024, Dr. Feinstein's most billed Medicare services were injected or infused drug (J0717), injected or infused drug (J0129) and injected or infused drug (J1602).
Where did Dr. Jeffrey Alexander Feinstein go to medical school?
Dr. Feinstein graduated from David Geffen School of Medicine at UCLA in 1998.
What drugs does Dr. Jeffrey Alexander Feinstein prescribe most?
In 2024 Medicare Part D data, Dr. Feinstein's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Jeffrey Alexander Feinstein received payments from drug or device companies?
CMS Open Payments shows $28,245 in general payments to Dr. Feinstein from 40 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jeffrey Alexander Feinstein been practicing?
Dr. Feinstein graduated from medical school in 1998, 28 years ago.
Does Dr. Jeffrey Alexander Feinstein do research?
Dmand AI links 2 publications to Dr. Feinstein.
Who does Dr. Jeffrey Alexander Feinstein publish with?
Dr. Feinstein's most frequent co-authors are Ramon A. Arroyo, MD (1 shared paper) and Kevin E. O'Brien, MD (1 shared paper).
What insurance does Dr. Jeffrey Alexander Feinstein accept?
Dr. Feinstein is in network with 13 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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