Dr. Martha E. Hierro, MD
- Medicare services, 2024
- 475
- Medicare patients, 2024
- 153
- Part D claims, 2024
- 269
- Hospital affiliations
- 1
- Industry payments
- $4,608
- Practice address
- 8670 Wilshire Blvd, Suite 300, Beverly Hills, CA 90211
- Practice phone
- Call (310) 275-1646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Specialty Surgical Center of Beverly Hills (Wilshire Blvd)
Surgery Center - Medicare-Certified · Beverly Hills, California
Find Dr. Hierro'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 E. Hierro is a gastroenterologist in Beverly Hills, California
Dr. Hierro practices at Specialty Surgical Center of Beverly Hills (Wilshire Blvd) in Beverly Hills, California.
Dr. Hierro's NPI, 1770562431, was assigned on January 11, 2006. Dr. Hierro graduated from David Geffen School of Medicine at UCLA in 1987. Dr. Hierro holds California license G65495.
- NPI
- 1770562431NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577651488
- NPI enumeration date
- January 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 275-1646
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Martha E. Hierro practices at Specialty Surgical Center of Beverly Hills (Wilshire Blvd) in Beverly Hills, California
Dr. Hierro's primary practice is Specialty Surgical Center of Beverly Hills (Wilshire Blvd), at 8670 Wilshire Blvd, Suite 300, Beverly Hills, CA 90211. The practice phone is (310) 275-1646.
- Specialty Surgical Center of Beverly Hills (Wilshire Blvd)8670 Wilshire Blvd, Suite 300, Beverly Hills, CA 90211Phone(310) 275-1646
Source: Dmand AI Affiliation Data
Dr. Martha E. Hierro is affiliated with 3 sites of care
Dr. Hierro's primary practice is Specialty Surgical Center of Beverly Hills (Wilshire Blvd) in Beverly Hills, California. Dr. Hierro is also affiliated with Providence Saint John's Health Center. Dmand AI also links Dr. Hierro to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Martha E. Hierro's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hierro practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Specialty Surgical Center of Beverly Hills (Wilshire Blvd) | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martha E. Hierro is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Hierro's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Hierro is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Hierro is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, chronic inflammatory bowel disease (IBD), colonoscopy, gastroduodenitis, gastrointestinal bleeding, hemorrhoids and hepatitis c among the conditions Dr. Hierro treats.
Gastroenterologists near Dr. Hierro
Counts of gastroenterologists 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 E. Hierro billed Medicare for 475 services in 2024
CMS data shows 475 Medicare services from Dr. Hierro across 8 procedure codes in 2024, for 153 Medicare patients. Medicare paid $54,079 for them.
Dr. Hierro's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2852024: 35424%
- Surgery
- 2023: 482024: 6331%
- Lab and pathology
- 2023: 02024: 58
- Other services
- 2023: 252024: 0100%
Where Dr. Hierro's Medicare services took place, 2024
- In an office41287%
- In a facility6313%
Dr. Hierro compared with the California median for gastroenterologists, 2024
- Dr. Hierro
- California median
- Medicare services
- 475vs 58619% below
- Medicare patients
- 153vs 30249% below
- Part D claims
- 189vs 38050% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Hierro'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. Hierro?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hierro and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martha E. Hierro treated 153 Medicare patients in 2024, average age 76
CMS counts 153 Medicare patients who saw Dr. Hierro in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high cholesterol, and 63% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hierro's median patient age at 74, with 73% women.
Dr. Hierro's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hierro's Medicare patients by sex, 2024
- Women12179%
- Men3221%
Chronic conditions among Dr. Hierro's Medicare patients, 2024
- High cholesterol75%
- High blood pressure63%
- Arthritis52%
- Ischemic heart disease31%
- Osteoporosis28%
- Diabetes27%
- Mood disorders22%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hierro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Martha E. Hierro wrote 269 Medicare Part D claims in 2024
In 2024, Dr. Hierro wrote 269 Medicare Part D claims for 86 patients. 91% of them were for generic drugs. CMS names the drug for 189 of them, across 5 drugs with 11 or more claims each, at $16,628 in total drug cost. In 2023, CMS named 156 claims across 6 drugs.
Dr. Hierro's Part D claims by kind of drug, 2024
- Generic246 claims91%
- Brand-name23 claims9%
Dr. Hierro'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1562024: 18921%
Drugs named by CMS: 5 in 2024, 6 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 E. Hierro ranks in the 63rd percentile for colonoscopy in Medicare
Dr. Hierro accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hierro as offering telehealth. CMS counts 48 procedures of colonoscopy by Dr. Hierro, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Hierro ranks in Medicare procedure volume
- Colonoscopy
- 63rd percentile48 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 63rd percentile48 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Martha E. Hierro received $4,608 in industry payments from 2016 to 2025
CMS Open Payments shows 220 general payments to Dr. Hierro from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $891.
General payments to Dr. Hierro by program year, 2016 to 2025
General payments to Dr. Hierro by kind, 2016 to 2025
- Food and beverage$4,596100%
- Education$120%
Companies that paid Dr. Hierro 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 E. Hierro has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Hierro, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Hierro
- 2012
- CMS Stage 1 EHR
- Undated
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Martha E. Hierro graduated from David Geffen School of Medicine at UCLA
Dr. Hierro graduated from David Geffen School of Medicine at UCLA in 1987. Dr. Hierro is a member of AGA.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Martha E. Hierro accepts plans from 1 insurance carrier
Dr. Hierro is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Martha E. Hierro'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 DataDmand AI Org Hierarchy 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) |
| 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 E. Hierro
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 E. Hierro's NPI number?
Dr. Martha E. Hierro's NPI number is 1770562431. It was assigned on January 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Martha E. Hierro?
Dr. Martha E. Hierro is a gastroenterologist in Beverly Hills, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Martha E. Hierro practice?
Dr. Hierro practices at 8670 Wilshire Blvd, Suite 300, Beverly Hills, CA 90211. Dr. Hierro's primary practice is Specialty Surgical Center of Beverly Hills (Wilshire Blvd) in Beverly Hills, California. Dmand AI also links Dr. Hierro to 1 physician office.
What is Dr. Martha E. Hierro's office phone number?
The practice phone on file for Dr. Hierro is (310) 275-1646.
What is Dr. Martha E. Hierro's medical license number?
Dr. Hierro holds California license G65495.
Which hospitals is Dr. Martha E. Hierro affiliated with?
Dr. Hierro is affiliated with Providence Saint John's Health Center.
Does Dr. Martha E. Hierro accept Medicare?
Yes. CMS data shows Dr. Hierro billed Medicare for 475 services in 2024, and Dr. Hierro accepts Medicare assignment.
Does Dr. Martha E. Hierro offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hierro as offering telehealth services.
How many Medicare patients does Dr. Martha E. Hierro see?
CMS counts 153 Medicare patients who saw Dr. Hierro in 2024, with an average age of 76.
Is Dr. Martha E. Hierro board certified?
Yes. Dr. Hierro is board certified in gastroenterology by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Martha E. Hierro bill to Medicare?
In 2024, Dr. Hierro's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and lab and pathology test (82270).
Where did Dr. Martha E. Hierro go to medical school?
Dr. Hierro graduated from David Geffen School of Medicine at UCLA in 1987.
What drugs does Dr. Martha E. Hierro prescribe most?
In 2024 Medicare Part D data, Dr. Hierro's most prescribed drugs by claims were Pantoprazole Sodium, Famotidine and Omeprazole.
Has Dr. Martha E. Hierro received payments from drug or device companies?
CMS Open Payments shows $4,608 in general payments to Dr. Hierro from 32 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Martha E. Hierro been practicing?
Dr. Hierro graduated from medical school in 1987, 39 years ago.
What insurance does Dr. Martha E. Hierro accept?
Dr. Hierro is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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