Dr. Nicholas Lloyd Cromwell, MD
- Medicare services, 2016
- 13
- Part D claims, 2024
- 14
- MIPS score, 2024
- 99
- Hospital affiliations
- 2
- Industry payments
- $590
- Practice address
- 818 Ellicott St, Buffalo, NY 14203
- Practice phone
- Call (716) 323-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaleida Health
Buffalo, New York
Find Dr. Cromwell's professional email, personal email and mobile number
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Dr. Nicholas Lloyd Cromwell is a gynecology physician in Buffalo, New York
Dr. Cromwell practices at Kaleida Health in Buffalo, New York.
Dr. Cromwell's NPI, 1790708626, was assigned on July 25, 2006. Dr. Cromwell graduated from University at Buffalo School of Medicine in 1991. Dr. Cromwell holds New York license 1911901.
- NPI
- 1790708626NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224127717
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 323-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Lloyd Cromwell practices at Kaleida Health in Buffalo, New York
Dr. Cromwell's primary practice is Kaleida Health, at 818 Ellicott St, Buffalo, NY 14203 in Erie County. The practice phone is (716) 323-2000.
- Kaleida Health818 Ellicott St, Buffalo, NY 14203 · Erie CountyPhone(716) 323-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nicholas Lloyd Cromwell is affiliated with 3 sites of care and 5 medical groups
Dr. Cromwell's primary practice is Kaleida Health in Buffalo, New York. Dr. Cromwell is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is Kaleida Health. Dmand AI also links Dr. Cromwell to 1 more hospital and 4 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicholas Lloyd Cromwell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cromwell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaleida Health | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas Lloyd Cromwell is one of 261 gynecology physicians in New York
Gynecology is Dr. Cromwell's primary specialty in the NPI Registry, under taxonomy code 207VG0400X. Dr. Cromwell is licensed in New York.
Specialties and state licenses
- Gynecology, New YorkPrimary
Gynecology physicians near Dr. Cromwell
Counts of gynecology physicians 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. Nicholas Lloyd Cromwell billed Medicare for 13 services in 2016
CMS data shows 13 Medicare services from Dr. Cromwell across 1 procedure code in 2016, all of them office visits. Medicare paid $247 for them. Every service was in an office.
Dr. Cromwell compared with the New York median for gynecology physicians, 2016
- Dr. Cromwell
- New York median
- Medicare services
- 13vs 14291% below
- Part D claims
- 11vs 5078% below
Medians across 245 gynecology physicians in New York with Dmand AI profiles that report each measure.
Dr. Cromwell's most billed Medicare procedure codes, 2016
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. Cromwell and other gynecology physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nicholas Lloyd Cromwell's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Cromwell's median patient age at 31, with 99% women.
Dr. Cromwell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women99%
- Men1%
Source: Dmand AI Patient Panel Data
Dr. Nicholas Lloyd Cromwell wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Cromwell wrote 14 Medicare Part D claims. 93% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $893 in total drug cost. In 2021, CMS named 30 claims across 1 drug.
Dr. Cromwell's Part D claims by kind of drug, 2024
- Generic13 claims93%
- Brand-name and other1 claims7%
Dr. Cromwell'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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 302024: 1163%
Drugs named by CMS: 1 in 2024, 1 in 2021.
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. Nicholas Lloyd Cromwell scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Cromwell for performance year 2024, reported as part of a group. Dr. Cromwell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Cromwell's MIPS scores, performance year 2024
- 99of 100Final score
- 87.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nicholas Lloyd Cromwell received $590 in industry payments from 2016 to 2025
CMS Open Payments shows 34 general payments to Dr. Cromwell from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Indivior Inc. paid the most, $153.
General payments to Dr. Cromwell by program year, 2016 to 2025
General payments to Dr. Cromwell by kind, 2016 to 2025
- Food and beverage$53290%
- Education$5810%
Companies that paid Dr. Cromwell 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. Nicholas Lloyd Cromwell graduated from University at Buffalo School of Medicine
Dr. Cromwell graduated from University at Buffalo School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Lloyd Cromwell'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 Data |
| 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)Clinician Public Reporting: Overall MIPS Performance (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. Nicholas Lloyd Cromwell
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. Nicholas Lloyd Cromwell's NPI number?
Dr. Nicholas Lloyd Cromwell's NPI number is 1790708626. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Lloyd Cromwell?
Dr. Nicholas Lloyd Cromwell is a gynecology physician in Buffalo, New York. The primary specialty in the NPI Registry is Gynecology Physician (taxonomy code 207VG0400X).
Where does Dr. Nicholas Lloyd Cromwell practice?
Dr. Cromwell practices at 818 Ellicott St, Buffalo, NY 14203. Dr. Cromwell's primary practice is Kaleida Health in Buffalo, New York. Dmand AI also links Dr. Cromwell to 1 hospital and 4 medical groups.
What is Dr. Nicholas Lloyd Cromwell's office phone number?
The practice phone on file for Dr. Cromwell is (716) 323-2000.
What is Dr. Nicholas Lloyd Cromwell's medical license number?
Dr. Cromwell holds New York license 1911901.
Which hospitals is Dr. Nicholas Lloyd Cromwell affiliated with?
Dr. Cromwell is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Dr. Cromwell to 1 more hospital.
What medical group is Dr. Nicholas Lloyd Cromwell part of?
Dr. Cromwell is linked to Kaleida Health. Dmand AI links Dr. Cromwell to 4 more medical groups.
Does Dr. Nicholas Lloyd Cromwell accept Medicare?
Yes. CMS data shows Dr. Cromwell billed Medicare for 13 services in 2016, and Dr. Cromwell accepts Medicare assignment.
What is Dr. Nicholas Lloyd Cromwell's MIPS score?
Dr. Cromwell's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
What services does Dr. Nicholas Lloyd Cromwell bill to Medicare?
In 2016, Dr. Cromwell's most billed Medicare services were office visit, established patient (99212).
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Where did Dr. Nicholas Lloyd Cromwell go to medical school?
Dr. Cromwell graduated from University at Buffalo School of Medicine in 1991.
What drugs does Dr. Nicholas Lloyd Cromwell prescribe most?
In 2024 Medicare Part D data, Dr. Cromwell's most prescribed drugs by claims were Buprenorphine HCl.
Has Dr. Nicholas Lloyd Cromwell received payments from drug or device companies?
CMS Open Payments shows $590 in general payments to Dr. Cromwell from 16 companies from 2016 to 2025. The largest total came from Indivior Inc.
How long has Dr. Nicholas Lloyd Cromwell been practicing?
Dr. Cromwell graduated from medical school in 1991, 35 years ago.
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