Dr. Martha Frances Gerteisen, MD
- Medicare services, 2024
- 877
- Medicare patients, 2024
- 257
- Part D claims, 2024
- 7,641
- Hospital affiliations
- 5
- Industry payments
- $9,994
- Practice address
- 6550 Fannin St, Houston, TX 77030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Texas Children's Hospital - Mfm the Methodist Hospital - HOPD
Childrens Hospital outpatient department · Houston, Texas
Find Dr. Gerteisen'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. Martha Frances Gerteisen is an internist in Houston, Texas
Dr. Gerteisen practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas.
Dr. Gerteisen's NPI, 1942297536, was assigned on September 29, 2005. Dr. Gerteisen graduated from Indiana University School Of Medicine in 1994. Dr. Gerteisen's Texas license number on file is K5539.
- NPI
- 1942297536NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921081027
- NPI enumeration date
- September 29, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Martha Frances Gerteisen practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas
Dr. Gerteisen's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD, at 6550 Fannin St, Houston, TX 77030.
- Texas Children's Hospital - Mfm the Methodist Hospital - HOPD6550 Fannin St, Houston, TX 77030
Source: Dmand AI Affiliation Data
Dr. Martha Frances Gerteisen is affiliated with 9 sites of care and 1 medical group
Dr. Gerteisen's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dr. Gerteisen is also affiliated with Houston Methodist Hospital. The medical group on file is Houston Methodist Specialty Physician Group. Dmand AI also links Dr. Gerteisen to 4 more hospitals, 2 home health agencies and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Martha Frances Gerteisen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerteisen practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Texas Children's Hospital - Mfm the Methodist Hospital - HOPD | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martha Frances Gerteisen is one of 8,437 internists in Texas
Internal medicine is Dr. Gerteisen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gerteisen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Gerteisen has a license on file in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, adjustment disease, alzheimer's disease, aneurysm, ankle or foot injury and arthritis among the conditions Dr. Gerteisen treats.
Internists near Dr. Gerteisen
Counts of internists 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. Martha Frances Gerteisen billed Medicare for 877 services in 2024
CMS data shows 877 Medicare services from Dr. Gerteisen across 8 procedure codes in 2024, for 257 Medicare patients. Medicare paid $76,186 for them. Every service was in an office.
Dr. Gerteisen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6802024: 60311%
- Other services
- 2023: 2292024: 19515%
- Tests and treatments
- 2023: 1072024: 6836%
- Lab and pathology
- 2023: 02024: 11
- Drugs given in the office
- 2023: 722024: 0100%
Dr. Gerteisen compared with the Texas median for internists, 2024
- Dr. Gerteisen
- Texas median
- Medicare services
- 877vs 53963% above
- Medicare patients
- 257vs 19035% above
- Part D claims
- 6,750vs 28923.4 times
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Gerteisen'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. Gerteisen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerteisen and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martha Frances Gerteisen treated 257 Medicare patients in 2024, average age 74
CMS counts 257 Medicare patients who saw Dr. Gerteisen in 2024. The largest group is 65 to 74, with 131 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gerteisen's median patient age at 67, with 71% women.
Dr. Gerteisen's Medicare patients by age, 2024
Dr. Gerteisen's Medicare patients by sex, 2024
- Women19275%
- Men6525%
Chronic conditions among Dr. Gerteisen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes36%
- Ischemic heart disease32%
- Chronic kidney disease23%
- Osteoporosis19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerteisen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women71%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Martha Frances Gerteisen wrote 7,641 Medicare Part D claims in 2024
In 2024, Dr. Gerteisen wrote 7,641 Medicare Part D claims for 428 patients. 84% of them were for generic drugs. CMS names the drug for 6,750 of them, across 136 drugs with 11 or more claims each, at $569,624 in total drug cost. In 2023, CMS named 6,068 claims across 129 drugs.
Dr. Gerteisen's Part D claims by kind of drug, 2024
- Generic6,453 claims84%
- Brand-name1,155 claims15%
- Other33 claims0%
Dr. Gerteisen'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. Gerteisen's Part D claims, 2024
- Opioids2%125 of 7,641 claims
- Antibiotics4%299 of 7,641 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: 6,0682024: 6,75011%
Drugs named by CMS: 136 in 2024, 129 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. Martha Frances Gerteisen offers telehealth to Medicare patients
Dr. Gerteisen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gerteisen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Martha Frances Gerteisen received $9,994 in industry payments from 2016 to 2025
CMS Open Payments shows 636 general payments to Dr. Gerteisen from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,942.
General payments to Dr. Gerteisen by program year, 2016 to 2025
General payments to Dr. Gerteisen by kind, 2016 to 2025
- Food and beverage$9,92999%
- Education$651%
Companies that paid Dr. Gerteisen 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. Martha Frances Gerteisen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Gerteisen, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Gerteisen
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Martha Frances Gerteisen graduated from Indiana University School Of Medicine
Dr. Gerteisen graduated from Indiana University School Of Medicine in 1994.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Martha Frances Gerteisen accepts plans from 12 insurance carriers
Dr. Gerteisen is in network with 12 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Cigna
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Molina
- +4 more carriersWith a free account
Plan types Dr. Gerteisen accepts, by number of carriers
- Medicare10
- PPO9
- HMO7
- POS3
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Martha Frances Gerteisen'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) |
| 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. Martha Frances Gerteisen
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. Martha Frances Gerteisen's NPI number?
Dr. Martha Frances Gerteisen's NPI number is 1942297536. It was assigned on September 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Martha Frances Gerteisen?
Dr. Martha Frances Gerteisen is an internist in Houston, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Martha Frances Gerteisen practice?
Dr. Gerteisen practices at 6550 Fannin St, Houston, TX 77030. Dr. Gerteisen's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dmand AI also links Dr. Gerteisen to 4 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Dr. Martha Frances Gerteisen's medical license number?
Dr. Gerteisen's Texas license number on file is K5539.
Which hospitals is Dr. Martha Frances Gerteisen affiliated with?
Dr. Gerteisen is affiliated with Houston Methodist Hospital. Dmand AI links Dr. Gerteisen to 4 more hospitals.
What medical group is Dr. Martha Frances Gerteisen part of?
Dr. Gerteisen is linked to Houston Methodist Specialty Physician Group.
Does Dr. Martha Frances Gerteisen accept Medicare?
Yes. CMS data shows Dr. Gerteisen billed Medicare for 877 services in 2024, and Dr. Gerteisen accepts Medicare assignment.
Does Dr. Martha Frances Gerteisen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gerteisen as offering telehealth services.
How many Medicare patients does Dr. Martha Frances Gerteisen see?
CMS counts 257 Medicare patients who saw Dr. Gerteisen in 2024, with an average age of 74.
Is Dr. Martha Frances Gerteisen board certified?
Yes. Dr. Gerteisen is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Martha Frances Gerteisen bill to Medicare?
In 2024, Dr. Gerteisen's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Martha Frances Gerteisen go to medical school?
Dr. Gerteisen graduated from Indiana University School Of Medicine in 1994.
What drugs does Dr. Martha Frances Gerteisen prescribe most?
In 2024 Medicare Part D data, Dr. Gerteisen's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Atorvastatin Calcium.
Has Dr. Martha Frances Gerteisen received payments from drug or device companies?
CMS Open Payments shows $9,994 in general payments to Dr. Gerteisen from 46 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Martha Frances Gerteisen been practicing?
Dr. Gerteisen graduated from medical school in 1994, 32 years ago.
What insurance does Dr. Martha Frances Gerteisen accept?
Dr. Gerteisen is in network with 12 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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