Dr. Gerald Theodore Rosenberg, MD

  • San Antonio, TX
  • Rheumatologist
NPI1649249624PAC ID7517066368
Medicare services, 2024
16,902
Medicare patients, 2024
576
Part D claims, 2024
11,830
MIPS score, 2024
90
Hospital affiliations
1
Practice address
4511 Horizon Hill Blvd, Suite 175, San Antonio, TX 78229
Practice phone
Call (210) 712-2340
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lenza Surgical Center - San Antonio

Surgery Center - Not Medicare-Certified · San Antonio, Texas

See all 4 affiliations

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Dr. Gerald Theodore Rosenberg is a rheumatologist in San Antonio, Texas

Dr. Rosenberg practices at Lenza Surgical Center - San Antonio in San Antonio, Texas.

Dr. Rosenberg's NPI, 1649249624, was assigned on March 14, 2006. Dr. Rosenberg graduated from Saint Louis University School of Medicine in 1978. Dr. Rosenberg holds Texas license F4450.

NPI and contact details
Medicare PAC ID
7517066368
NPI enumeration date
March 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(210) 712-2340
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
74
Medical school graduation
1978

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

Dr. Gerald Theodore Rosenberg practices at Lenza Surgical Center - San Antonio in San Antonio, Texas

Dr. Rosenberg's primary practice is Lenza Surgical Center - San Antonio, at 4511 Horizon Hill Blvd, Suite 175, San Antonio, TX 78229. The practice phone is (210) 712-2340.

  • Lenza Surgical Center - San Antonio
    4511 Horizon Hill Blvd, Suite 175, San Antonio, TX 78229Phone(210) 712-2340

Source: Dmand AI Affiliation Data

Dr. Gerald Theodore Rosenberg is affiliated with 3 sites of care and 1 medical group

Dr. Rosenberg's primary practice is Lenza Surgical Center - San Antonio in San Antonio, Texas. Dr. Rosenberg is also affiliated with Baptist Medical Center. The medical group on file is Arthritis Associates. Dmand AI also links Dr. Rosenberg to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Rosenberg

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gerald Theodore Rosenberg's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rosenberg practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lenza Surgical Center - San AntonioAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gerald Theodore Rosenberg is one of 476 rheumatologists in Texas

Rheumatology is Dr. Rosenberg's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Rosenberg is licensed in Texas.

Specialties and state licenses

  • Rheumatology, TexasPrimaryLicense F4450 · taxonomy 207RR0500X

Rheumatologists near Dr. Rosenberg

Counts of rheumatologists 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. Gerald Theodore Rosenberg billed Medicare for 16,902 services in 2024

CMS data shows 16,902 Medicare services from Dr. Rosenberg across 51 procedure codes in 2024, for 576 Medicare patients. Medicare paid $342,680 for them. Every service was in an office.

Medicare services, 202416,902
Medicare patients576
Paid by Medicare$342,680
Procedure codes51

Dr. Rosenberg's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 6,8672024: 10,15548%
Lab and pathology
2023: 4,9562024: 3,85222%
Office and hospital visits
2023: 1,1762024: 1,33013%
Surgery
2023: 7482024: 60120%
Other services
2023: 342024: 5641559%
Tests and treatments
2023: 4142024: 35514%
Imaging
2023: 1732024: 4574%

Dr. Rosenberg compared with the Texas median for rheumatologists, 2024

  • Dr. Rosenberg
  • Texas median
Medicare services
16,902vs 1,33112.7 times
Medicare patients
576vs 1962.9 times
Part D claims
11,173vs 1,1389.8 times

Medians across 451 rheumatologists in Texas with Dmand AI profiles that report each measure.

Dr. Rosenberg'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.

See all procedures by Dr. Rosenberg

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gerald Theodore Rosenberg treated 576 Medicare patients in 2024, average age 73

CMS counts 576 Medicare patients who saw Dr. Rosenberg in 2024. The largest group is 65 to 74, with 263 patients. 75% of them have arthritis, and 75% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Rosenberg's median patient age at 68, with 78% women.

Medicare patients, 2024576
Average age73
Average risk score1.40
Also on Medicaid3%

Dr. Rosenberg's Medicare patients by age, 2024

Dr. Rosenberg's Medicare patients by sex, 2024

  • Women46781%
  • Men10919%

Chronic conditions among Dr. Rosenberg's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Anxiety40%
  5. Osteoporosis39%
  6. Mood disorders38%
  7. Depression34%
  8. Diabetes28%

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

Dr. Rosenberg'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

  • Women78%
  • Men20%

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

Dr. Gerald Theodore Rosenberg wrote 11,830 Medicare Part D claims in 2024

In 2024, Dr. Rosenberg wrote 11,830 Medicare Part D claims for 722 patients. 93% of them were for generic drugs. CMS names the drug for 11,173 of them, across 139 drugs with 11 or more claims each, at $2,307,326 in total drug cost. In 2023, CMS named 11,306 claims across 140 drugs.

Part D claims, 202411,830
Drugs named by CMS139
Total drug cost$2.3M
Part D patients722

Dr. Rosenberg's Part D claims by kind of drug, 2024

  • Generic11,009 claims93%
  • Brand-name and other821 claims7%

Dr. Rosenberg'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. Rosenberg's Part D claims, 2024

  • Opioids21%2,437 of 11,830 claims
  • Antibiotics1%138 of 11,830 claims
  • Antipsychotics, patients 65 and over0%30 of 11,830 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: 11,3062024: 11,1731%

Drugs named by CMS: 139 in 2024, 140 in 2023.

See all prescribing by Dr. Rosenberg

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. Gerald Theodore Rosenberg scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Rosenberg for performance year 2024, reported as part of a group. Dr. Rosenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rosenberg as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Rosenberg's MIPS scores, performance year 2024

  • 90of 100Final score
  • 98.3of 100Quality
  • 40of 100Improvement Activities
  • 69of 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. Gerald Theodore Rosenberg received $25,704 in industry payments from 2016 to 2025

CMS Open Payments shows 1,608 general payments to Dr. Rosenberg from 51 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. Amgen Inc. paid the most, $3,523.

General payments to Dr. Rosenberg by program year, 2016 to 2025

General payments to Dr. Rosenberg by kind, 2016 to 2025

$25.7Kin total
  • Food and beverage$22,80489%
  • Consulting fees$2,0488%
  • Travel and lodging$5872%
  • Education$2661%

Companies that paid Dr. Rosenberg the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Rosenberg

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

Dr. Gerald Theodore Rosenberg graduated from Saint Louis University School of Medicine

Dr. Rosenberg graduated from Saint Louis University School of Medicine in 1978.

  1. Medical schoolSaint Louis University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Gerald Theodore Rosenberg'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Gerald Theodore Rosenberg

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. Gerald Theodore Rosenberg's NPI number?

Dr. Gerald Theodore Rosenberg's NPI number is 1649249624. It was assigned on March 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gerald Theodore Rosenberg?

Dr. Gerald Theodore Rosenberg is a rheumatologist in San Antonio, Texas. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Gerald Theodore Rosenberg practice?

Dr. Rosenberg practices at 4511 Horizon Hill Blvd, Suite 175, San Antonio, TX 78229. Dr. Rosenberg's primary practice is Lenza Surgical Center - San Antonio in San Antonio, Texas. Dmand AI also links Dr. Rosenberg to 1 group practice or clinic.

What is Dr. Gerald Theodore Rosenberg's office phone number?

The practice phone on file for Dr. Rosenberg is (210) 712-2340.

What is Dr. Gerald Theodore Rosenberg's medical license number?

Dr. Rosenberg holds Texas license F4450.

Which hospitals is Dr. Gerald Theodore Rosenberg affiliated with?

Dr. Rosenberg is affiliated with Baptist Medical Center.

What medical group is Dr. Gerald Theodore Rosenberg part of?

Dr. Rosenberg is linked to Arthritis Associates.

Does Dr. Gerald Theodore Rosenberg accept Medicare?

Yes. CMS data shows Dr. Rosenberg billed Medicare for 16,902 services in 2024, and Dr. Rosenberg accepts Medicare assignment.

Does Dr. Gerald Theodore Rosenberg offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Rosenberg as offering telehealth services.

What is Dr. Gerald Theodore Rosenberg's MIPS score?

Dr. Rosenberg's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Gerald Theodore Rosenberg see?

CMS counts 576 Medicare patients who saw Dr. Rosenberg in 2024, with an average age of 73.

What services does Dr. Gerald Theodore Rosenberg bill to Medicare?

In 2024, Dr. Rosenberg's most billed Medicare services were injected or infused drug (J0897), injected or infused drug (J1010) and office visit, established patient (99214).

Where did Dr. Gerald Theodore Rosenberg go to medical school?

Dr. Rosenberg graduated from Saint Louis University School of Medicine in 1978.

What drugs does Dr. Gerald Theodore Rosenberg prescribe most?

In 2024 Medicare Part D data, Dr. Rosenberg's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Alprazolam.

Has Dr. Gerald Theodore Rosenberg received payments from drug or device companies?

CMS Open Payments shows $25,704 in general payments to Dr. Rosenberg from 51 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Gerald Theodore Rosenberg been practicing?

Dr. Rosenberg graduated from medical school in 1978, 48 years ago.

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