Dr. Rob G. Parrish, MD
- Medicare services, 2024
- 1,795
- Medicare patients, 2024
- 243
- Part D claims, 2024
- 1,023
- Publications
- 5
- Hospital affiliations
- 3
- Practice address
- 402 Youens Dr, Weimar, TX 78962-3680
- Practice phone
- Call (979) 725-8545
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Youens & Duchicela Clinic
Primary care practice · Weimar, Texas
Find Dr. Parrish'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. Rob G. Parrish is a neurosurgeon in Weimar, Texas
Dr. Parrish practices at Youens & Duchicela Clinic in Weimar, Texas.
Dr. Parrish's NPI, 1194743773, was assigned on July 18, 2006. Dr. Parrish graduated from Baylor College Of Medicine in 1981. Dr. Parrish holds Texas license F9929.
- NPI
- 1194743773NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870546278
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (979) 725-8545
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rob G. Parrish practices at Youens & Duchicela Clinic in Weimar, Texas
Dr. Parrish's primary practice is Youens & Duchicela Clinic, at 402 Youens Dr, Weimar, TX 78962-3680. The practice phone is (979) 725-8545.
- Youens & Duchicela Clinic402 Youens Dr, Weimar, TX 78962-3680Phone(979) 725-8545
Source: Dmand AI Affiliation Data
Dr. Rob G. Parrish is affiliated with 7 sites of care and 3 medical groups
Dr. Parrish's primary practice is Youens & Duchicela Clinic in Weimar, Texas. Dr. Parrish is also affiliated with Houston Methodist West Hospital. The medical group on file is Youens & Duchicela Clinic. Dmand AI also links Dr. Parrish to 2 more hospitals, 2 group practices and clinics, 2 medical groups and 1 skilled nursing facility, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Rob G. Parrish's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parrish practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Youens & Duchicela Clinic | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rob G. Parrish is one of 603 neurosurgeons in Texas
Neurological surgery is Dr. Parrish's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Parrish is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Parrish's licenses on file in 4 states: Texas, Louisiana, Colorado and Pennsylvania.
Specialties and state licenses
- Neurological surgery, TexasPrimary
- Louisiana license
- Colorado license
- Pennsylvania license
Clinical focus
Dmand AI lists lower back pain and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Parrish treats.
Neurosurgeons near Dr. Parrish
Counts of neurosurgeons 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. Rob G. Parrish billed Medicare for 1,795 services in 2024
CMS data shows 1,795 Medicare services from Dr. Parrish across 22 procedure codes in 2024, for 243 Medicare patients. Medicare paid $64,559 for them. Every service was in an office.
Dr. Parrish's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2062024: 581182%
- Lab and pathology
- 2023: 842024: 547551%
- Drugs given in the office
- 2023: 1552024: 465200%
- Surgery
- 2023: 452024: 138207%
- Other services
- 2023: 02024: 51
- Tests and treatments
- 2023: 02024: 13
Dr. Parrish compared with the Texas median for neurosurgeons, 2024
- Dr. Parrish
- Texas median
- Medicare services
- 1,795vs 2128.5 times
- Medicare patients
- 243vs 13876% above
- Part D claims
- 704vs 5812.1 times
Medians across 518 neurosurgeons in Texas with Dmand AI profiles that report each measure.
Dr. Parrish'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. Parrish?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parrish and other neurosurgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rob G. Parrish treated 243 Medicare patients in 2024, average age 75
CMS counts 243 Medicare patients who saw Dr. Parrish in 2024. The largest group is 65 to 74, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Parrish's median patient age at 69, with 48% women.
Dr. Parrish's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Parrish's Medicare patients by sex, 2024
- Women13254%
- Men11146%
Chronic conditions among Dr. Parrish's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Chronic kidney disease49%
- Anxiety32%
- Mood disorders31%
- Depression29%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parrish'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
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rob G. Parrish wrote 1,023 Medicare Part D claims in 2024
In 2024, Dr. Parrish wrote 1,023 Medicare Part D claims for 234 patients. 93% of them were for generic drugs. CMS names the drug for 704 of them, across 31 drugs with 11 or more claims each, at $9,513 in total drug cost. In 2023, CMS named 31 claims across 2 drugs.
Dr. Parrish's Part D claims by kind of drug, 2024
- Generic955 claims93%
- Brand-name and other68 claims7%
Dr. Parrish'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. Parrish's Part D claims, 2024
- Antibiotics13%132 of 1,023 claims
- Antipsychotics, patients 65 and over2%22 of 1,023 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: 312024: 7042171%
Drugs named by CMS: 31 in 2024, 2 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. Rob G. Parrish offers telehealth to Medicare patients
Dr. Parrish accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Parrish as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rob G. Parrish has 5 publications on record
Dmand AI links 5 papers to Dr. Parrish, published from 2017 to 2018. 2017 was the busiest year, with 2. Dr. Parrish has published most often in Neurosurgery. Dr. Parrish's most frequent co-authors are Sean Michael Barber, MD, Gavin W. Britz, MD and Richard Louis Harper, MD.
Dr. Parrish's most frequent co-authors
- Sean Michael Barber, MD3 shared papers
- Gavin W. Britz, MD2 shared papers
- Richard Louis Harper, MD2 shared papers
Recent publications by Dr. Parrish
Neurosurgery
See who Dr. Parrish researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parrish works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rob G. Parrish received $2,225 in industry payments from 2016 to 2021
CMS Open Payments shows 19 general payments to Dr. Parrish from 9 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 55% of the total. Zimmer Biomet Holdings, Inc. paid the most, $1,102.
General payments to Dr. Parrish by program year, 2016 to 2021
General payments to Dr. Parrish by kind, 2016 to 2021
- Food and beverage$1,22255%
- Travel and lodging$73333%
- Consulting fees$27012%
Companies that paid Dr. Parrish the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rob G. Parrish has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Parrish.
Awards and honors for Dr. Parrish
- Undated
- AANS Fellow
- Legion of Merit, Bronze Star Medal, Joint Serices Accomadation Medal.
Source: Dmand AI Professional Profile Data
Dr. Rob G. Parrish graduated from Baylor College Of Medicine
Dr. Parrish graduated from Baylor College Of Medicine in 1981. Dr. Parrish is a member of AANS and CNS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Rob G. Parrish accepts plans from 20 insurance carriers
Dr. Parrish is in network with 20 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- +12 more carriersWith a free account
Plan types Dr. Parrish accepts, by number of carriers
- PPO12
- HMO11
- Medicare9
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Rob G. Parrish'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)Doctors and Clinicians Utilization Data (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. Rob G. Parrish
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. Rob G. Parrish's NPI number?
Dr. Rob G. Parrish's NPI number is 1194743773. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rob G. Parrish?
Dr. Rob G. Parrish is a neurosurgeon in Weimar, Texas. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Rob G. Parrish practice?
Dr. Parrish practices at 402 Youens Dr, Weimar, TX 78962-3680. Dr. Parrish's primary practice is Youens & Duchicela Clinic in Weimar, Texas. Dmand AI also links Dr. Parrish to 2 hospitals, 2 group practices and clinics, 2 medical groups and 1 skilled nursing facility.
What is Dr. Rob G. Parrish's office phone number?
The practice phone on file for Dr. Parrish is (979) 725-8545.
What is Dr. Rob G. Parrish's medical license number?
Dr. Parrish holds Texas license F9929, one of the licenses on file in 4 states.
Which states has Dr. Rob G. Parrish been licensed in?
Dmand AI has state licenses on file for Dr. Parrish in Texas (1981 to 2027), Louisiana (2020 to 2022), Colorado (1982 to 2007) and Pennsylvania (1982 to 1990).
Which hospitals is Dr. Rob G. Parrish affiliated with?
Dr. Parrish is affiliated with Houston Methodist West Hospital. Dmand AI links Dr. Parrish to 2 more hospitals.
What medical group is Dr. Rob G. Parrish part of?
Dr. Parrish is linked to Youens & Duchicela Clinic. Dmand AI links Dr. Parrish to 2 more medical groups.
Does Dr. Rob G. Parrish accept Medicare?
Yes. CMS data shows Dr. Parrish billed Medicare for 1,795 services in 2024, and Dr. Parrish accepts Medicare assignment.
Does Dr. Rob G. Parrish offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Parrish as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Rob G. Parrish see?
CMS counts 243 Medicare patients who saw Dr. Parrish in 2024, with an average age of 75.
Is Dr. Rob G. Parrish board certified?
Yes. Dr. Parrish is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Rob G. Parrish bill to Medicare?
In 2024, Dr. Parrish's most billed Medicare services were office visit, established patient (99214), injected or infused drug (J3301) and surgery: heart and blood vessels (36415).
Where did Dr. Rob G. Parrish go to medical school?
Dr. Parrish graduated from Baylor College Of Medicine in 1981.
What drugs does Dr. Rob G. Parrish prescribe most?
In 2024 Medicare Part D data, Dr. Parrish's most prescribed drugs by claims were Gabapentin, Azithromycin and Cephalexin.
Has Dr. Rob G. Parrish received payments from drug or device companies?
CMS Open Payments shows $2,225 in general payments to Dr. Parrish from 9 companies from 2016 to 2021. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Rob G. Parrish been practicing?
Dr. Parrish graduated from medical school in 1981, 45 years ago.
Does Dr. Rob G. Parrish do research?
Dmand AI links 5 publications to Dr. Parrish, published from 2017 to 2018.
Who does Dr. Rob G. Parrish publish with?
Dr. Parrish's most frequent co-authors are Sean Michael Barber, MD (3 shared papers), Gavin W. Britz, MD (2 shared papers) and Richard Louis Harper, MD (2 shared papers).
What insurance does Dr. Rob G. Parrish accept?
Dr. Parrish is in network with 20 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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