Dr. Nathaniel B. Ngo, MD
- Medicare services, 2024
- 71
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 131
- Hospital affiliations
- 3
- Industry payments
- $3,053
- Practice address
- 1325 Cottonwood Street, Woodland, CA 95695
- Practice phone
- Call (530) 662-3961
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ngo's professional email, personal email and mobile number
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Dr. Nathaniel B. Ngo is an OB-GYN in Woodland, California
Dr. Ngo practices at Dignity Health - Woodland Memorial Hospital in Woodland, California, part of CommonSpirit Health.
Dr. Ngo's NPI, 1497913404, was assigned on May 27, 2008. Dr. Ngo graduated from University of Texas Southwestern Medical School at Dallas in 2008. Dr. Ngo holds California license C148577.
- NPI
- 1497913404NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113176710
- NPI enumeration date
- May 27, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 662-3961
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathaniel B. Ngo practices at Dignity Health - Woodland Memorial Hospital in Woodland, California
Dr. Ngo's primary practice is Dignity Health - Woodland Memorial Hospital, at 1325 Cottonwood Street, Woodland, CA 95695 in Yolo County. The practice phone is (530) 662-3961.
- Dignity Health - Woodland Memorial Hospital1325 Cottonwood Street, Woodland, CA 95695 · Yolo CountyPhone(530) 662-3961
Source: Dmand AI Affiliation Data
Dr. Nathaniel B. Ngo is affiliated with 4 sites of care and 1 medical group
Dr. Ngo's primary practice is Dignity Health - Woodland Memorial Hospital in Woodland, California, part of CommonSpirit Health. Dr. Ngo is also affiliated with Sutter Medical Center, Sacramento. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Ngo to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathaniel B. Ngo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ngo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Woodland Memorial Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathaniel B. Ngo is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Ngo's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Ngo's licenses on file in 2 states: California and New Mexico.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- New Mexico license
OB-GYNs near Dr. Ngo
Counts of OB-GYNs 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. Nathaniel B. Ngo billed Medicare for 71 services in 2024
CMS data shows 71 Medicare services from Dr. Ngo across 3 procedure codes in 2024, all of them office visits, for 72 Medicare patients. Medicare paid $5,338 for them. Every service was in an office.
Dr. Ngo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 512024: 7139%
Dr. Ngo compared with the California median for OB-GYNs, 2024
- Dr. Ngo
- California median
- Medicare services
- 71vs 5822% above
- Medicare patients
- 72vs 5238% above
- Part D claims
- 36vs 35Close to median
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Ngo'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ngo and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathaniel B. Ngo treated 72 Medicare patients in 2024, average age 71
CMS counts 72 Medicare patients who saw Dr. Ngo in 2024. The largest group is 65 to 74, with 28 patients. 61% of them have high cholesterol, and 57% have high blood pressure. 28% are also on Medicaid. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ngo's median patient age at 35, with 99% women.
Dr. Ngo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Ngo's Medicare patients, 2024
- High cholesterol61%
- High blood pressure57%
- Arthritis40%
- Anxiety28%
- Mood disorders21%
- Osteoporosis21%
- Atrial fibrillation17%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ngo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathaniel B. Ngo wrote 131 Medicare Part D claims in 2024
In 2024, Dr. Ngo wrote 131 Medicare Part D claims for 59 patients. 74% of them were for generic drugs. CMS names the drug for 36 of them, across 1 drug with 11 or more claims each, at $1,577 in total drug cost. In 2023, CMS named 61 claims across 1 drug.
Dr. Ngo's Part D claims by kind of drug, 2024
- Generic97 claims74%
- Brand-name34 claims26%
Dr. Ngo'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: 612024: 3641%
Drugs named by CMS: 1 in 2024, 1 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
How Dr. Nathaniel B. Ngo takes part in Medicare
Dr. Ngo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 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. Nathaniel B. Ngo received $3,053 in industry payments from 2019 to 2025
CMS Open Payments shows 10 general payments to Dr. Ngo from 2 drug and device companies from 2019 to 2025. Education make up the largest share, 49% of the total. Intuitive Surgical, Inc. paid the most, $2,929.
General payments to Dr. Ngo by program year, 2019 to 2025
General payments to Dr. Ngo by kind, 2019 to 2025
- Education$1,50049%
- Travel and lodging$97332%
- Food and beverage$58019%
Companies that paid Dr. Ngo the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathaniel B. Ngo graduated from University of Texas Southwestern Medical School at Dallas
Dr. Ngo graduated from University of Texas Southwestern Medical School at Dallas in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathaniel B. Ngo'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Nathaniel B. Ngo
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. Nathaniel B. Ngo's NPI number?
Dr. Nathaniel B. Ngo's NPI number is 1497913404. It was assigned on May 27, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathaniel B. Ngo?
Dr. Nathaniel B. Ngo is an OB-GYN in Woodland, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Nathaniel B. Ngo practice?
Dr. Ngo practices at 1325 Cottonwood Street, Woodland, CA 95695. Dr. Ngo's primary practice is Dignity Health - Woodland Memorial Hospital in Woodland, California, part of CommonSpirit Health. Dmand AI also links Dr. Ngo to 1 hospital and 1 group practice or clinic.
What is Dr. Nathaniel B. Ngo's office phone number?
The practice phone on file for Dr. Ngo is (530) 662-3961.
What is Dr. Nathaniel B. Ngo's medical license number?
Dr. Ngo holds California license C148577, one of the licenses on file in 2 states.
Which states has Dr. Nathaniel B. Ngo been licensed in?
Dmand AI has state licenses on file for Dr. Ngo in California and New Mexico.
Which hospitals is Dr. Nathaniel B. Ngo affiliated with?
Dr. Ngo practices at Dignity Health - Woodland Memorial Hospital in Woodland, California. Dr. Ngo is also affiliated with Sutter Medical Center, Sacramento. Dmand AI links Dr. Ngo to 1 more hospital.
What medical group is Dr. Nathaniel B. Ngo part of?
Dr. Ngo is linked to SGMF Radiology.
Does Dr. Nathaniel B. Ngo accept Medicare?
Yes. CMS data shows Dr. Ngo billed Medicare for 71 services in 2024, and Dr. Ngo accepts Medicare assignment.
How many Medicare patients does Dr. Nathaniel B. Ngo see?
CMS counts 72 Medicare patients who saw Dr. Ngo in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. Nathaniel B. Ngo bill to Medicare?
In 2024, Dr. Ngo's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).
Where did Dr. Nathaniel B. Ngo go to medical school?
Dr. Ngo graduated from University of Texas Southwestern Medical School at Dallas in 2008.
What drugs does Dr. Nathaniel B. Ngo prescribe most?
In 2024 Medicare Part D data, Dr. Ngo's most prescribed drugs by claims were Estradiol.
Has Dr. Nathaniel B. Ngo received payments from drug or device companies?
CMS Open Payments shows $3,053 in general payments to Dr. Ngo from 2 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Nathaniel B. Ngo been practicing?
Dr. Ngo graduated from medical school in 2008, 18 years ago.
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