Muscle Nerve
Amyotrophic Lateral SclerosisMuscle CrampPilot Projects
Dr. Anai Cristina Hamasaki, MD
NPI1669769535
- Medicare services, 2022
- 94
- Part D claims, 2022
- 125
- Publications
- 1
- Industry payments
- $291
- State license
- 1
- Practice address
- 1323 W 6th Ave, Stillwater, OK 74074
- Practice phone
- Call (610) 250-4375
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hamasaki'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. Anai Cristina Hamasaki is a general surgeon in Stillwater, Oklahoma
Dr. Hamasaki practices in Stillwater, Oklahoma.
Dr. Hamasaki's NPI, 1669769535, was assigned on June 29, 2011. Dr. Hamasaki holds Pennsylvania license MT198965.
NPI and contact details
- NPI
- 1669769535NPI Registry (opens in a new tab)
- NPI enumeration date
- June 29, 2011
- NPI status
- Active
- Practice phone
- (610) 250-4375
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Anai Cristina Hamasaki's practice address is in Stillwater, Oklahoma
Dr. Hamasaki's practice address in the NPI Registry is 1323 W 6th Ave, Stillwater, OK 74074, in Payne County. The practice phone is (610) 250-4375.
- NPI Registry address1323 W 6th Ave, Stillwater, OK 74074 · Payne CountyPhone(610) 250-4375
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Anai Cristina Hamasaki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamasaki practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Hamasaki's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Hamasaki practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Anai Cristina Hamasaki is one of 316 general surgeons in Oklahoma
Surgery is Dr. Hamasaki's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hamasaki is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Hamasaki
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
316general surgeons in Oklahoma
5general surgeons in Stillwater
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Anai Cristina Hamasaki billed Medicare for 94 services in 2022
CMS data shows 94 Medicare services from Dr. Hamasaki across 4 procedure codes in 2022. Medicare paid $9,046 for them.
Medicare services, 202294
Paid by Medicare$9,046
Procedure codes4
Dr. Hamasaki's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 432022: 5119%
- Office and hospital visits
- 2021: 932022: 4354%
- Other services
- 2021: 242022: 0100%
Where Dr. Hamasaki's Medicare services took place, 2022
- In an office7883%
- In a facility1617%
Dr. Hamasaki compared with the Oklahoma median for general surgeons, 2022
- Dr. Hamasaki
- Oklahoma median
- Medicare services
- 94vs 19051% below
- Part D claims
- 125vs 612.0 times
Medians across 312 general surgeons in Oklahoma with Dmand AI profiles that report each measure.
Dr. Hamasaki's most billed Medicare procedure codes, 2022
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. Hamasaki?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hamasaki and other general surgeons in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anai Cristina Hamasaki wrote 125 Medicare Part D claims in 2022
In 2022, Dr. Hamasaki wrote 125 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $4,791 in total drug cost. In 2021, CMS named 140 claims across 5 drugs.
Part D claims, 2022125
Drugs named by CMS4
Total drug cost$4,791
Dr. Hamasaki's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1402022: 12511%
Drugs named by CMS: 4 in 2022, 5 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Find general surgeons like Dr. Hamasaki by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Anai Cristina Hamasaki has 1 publication on record
Dmand AI links 1 paper to Dr. Hamasaki in 2022. Dr. Hamasaki's most frequent co-authors are Swathy Chandrashekhar, MD, Mazen M. Dimachkie, MD and Mamatha Pasnoor, MD.
Papers1
Dr. Hamasaki's most frequent co-authors
- Swathy Chandrashekhar, MD1 shared paper
- Mazen M. Dimachkie, MD1 shared paper
- Mamatha Pasnoor, MD1 shared paper
Recent publications by Dr. Hamasaki
See who Dr. Hamasaki researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hamasaki works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Anai Cristina Hamasaki received $291 in industry payments from 2017 to 2019
CMS Open Payments shows 4 general payments to Dr. Hamasaki from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 81% of the total. CSL Behring paid the most, $277.
General payments to Dr. Hamasaki by program year, 2017 to 2019
General payments to Dr. Hamasaki by kind, 2017 to 2019
$291in total
- Food and beverage$23681%
- Education$5519%
Companies that paid Dr. Hamasaki the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Anai Cristina Hamasaki'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Anai Cristina Hamasaki
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. Anai Cristina Hamasaki's NPI number?
Dr. Anai Cristina Hamasaki's NPI number is 1669769535. It was assigned on June 29, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Anai Cristina Hamasaki?
Dr. Anai Cristina Hamasaki is a general surgeon in Stillwater, Oklahoma. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Anai Cristina Hamasaki practice?
Dr. Hamasaki practices at 1323 W 6th Ave, Stillwater, OK 74074.
What is Dr. Anai Cristina Hamasaki's office phone number?
The practice phone on file for Dr. Hamasaki is (610) 250-4375.
What is Dr. Anai Cristina Hamasaki's medical license number?
Dr. Hamasaki holds Pennsylvania license MT198965.
Does Dr. Anai Cristina Hamasaki accept Medicare?
Yes. CMS data shows Dr. Hamasaki billed Medicare for 94 services in 2022.
What services does Dr. Anai Cristina Hamasaki bill to Medicare?
In 2022, Dr. Hamasaki's most billed Medicare services were nerve and brain test (95886), office visit, established patient (99215) and hospital inpatient care (99223).
What drugs does Dr. Anai Cristina Hamasaki prescribe most?
In 2022 Medicare Part D data, Dr. Hamasaki's most prescribed drugs by claims were Gabapentin, Duloxetine HCl and Pyridostigmine Bromide.
Has Dr. Anai Cristina Hamasaki received payments from drug or device companies?
CMS Open Payments shows $291 in general payments to Dr. Hamasaki from 2 companies from 2017 to 2019. The largest total came from CSL Behring.
How long has Dr. Anai Cristina Hamasaki been practicing?
Dr. Hamasaki's NPI was assigned in 2011.
Does Dr. Anai Cristina Hamasaki do research?
Dmand AI links 1 publication to Dr. Hamasaki.
Who does Dr. Anai Cristina Hamasaki publish with?
Dr. Hamasaki's most frequent co-authors are Swathy Chandrashekhar, MD (1 shared paper), Mazen M. Dimachkie, MD (1 shared paper) and Mamatha Pasnoor, MD (1 shared paper).
Selling to surgery practices?
See general surgeons in Oklahoma by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card