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Edit this profileAt a glance
- 7500 Greenway Center Dr, Suite 620, Greenbelt, MD 20770
About Dr. Niles
Based in Greenbelt, MD, John H. Niles, M.D. is listed in the NPI registry under gynecology. Medicare claims data shows John provided 199 services to 178 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory, and cervical or vaginal cancer screening; pelvic and clinical breast examination. NPI 1528161445 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (301) 474-5400
- Email not available
Practice Locations
7500 GREENWAY CENTER DR SUITE 620
Greenbelt, MD 20770
Conditions Commonly Evaluated or Treated
Within Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Pelvic health
- Uterine fibroids
- Adenomyosis
- Bartholin cyst
- Chronic pelvic pain
- Ectopic pregnancy
- Interstitial cystitis and bladder pain syndrome
- Ovarian cysts
- Tilted uterus
- Uterine polyps
Most searched conditions
- Endometriosis
- Heavy periods
- Menopause
- PCOS
- Pregnancy
- Yeast infection
Cervical health
Dermatology
- Lichen sclerosus
Fertility
- Female infertility
- Miscarriage
Hormonal
- Early Menopause
- Premenstrual dysphoric disorder
Hormonal health
- Bleeding After Menopause
- Genitourinary syndrome of menopause
- Perimenopause
Infection
- Chlamydia
- HPV infection risk
- Trichomoniasis
Infections
- Abnormal vaginal discharge
- Bacterial vaginosis
- Pelvic inflammatory disease
- UTI
- Vaginitis
Menstrual disorders
- Absent periods
- Bleeding After Sex
- Painful periods
- Premenstrual syndrome
- Spotting between periods
Menstrual health
- Ovulation Pain
Oncology
Pelvic floor
- Pelvic organ prolapse
- Urinary incontinence in women
Pelvic pain
Pregnancy & postpartum
Sexual health
- Painful intercourse
- Sexual Dysfunction and Low Libido
- Vaginismus
- Vulvodynia
STDs
- Genital herpes
- Genital warts
- Sexually transmitted infections
Uterine health
- Abnormally Shaped Uterus
- Uterine Scarring
Vaginal health
- Vaginal odor
Vulvar health
- Painful Swollen Labia
- Vaginal itching
Procedures & services
Most searched procedures
- C-section
- Hysterectomy
- IUD insertion
- Pap smear
- Ultrasound
Cervical procedures
- Cervical cone biopsy
- Cervical cryotherapy
- Colposcopy
- LEEP
Contraception
- Birth control counseling
- Contraceptive implant insertion and removal
- Depo-Provera shot
- IUD Removal
- Morning-after pill consultation
- Nexplanon removal
Cosmetic & reconstructive
- Vaginal Tightening Surgery
Cosmetic surgery
- Labia Reduction
Diagnostic imaging
- Saline Infusion Sonogram
Diagnostic procedures
- Endometrial biopsy
- Hysteroscopy
- Vulvar biopsy
Fertility
- Fertility Workup
- Hysterosalpingogram consultation
Fertility & surgical
- Tubal Reversal Surgery
Hormonal
- Hormone Pellet Implantation
Hormone therapy
- Hormone replacement therapy
- Prescription for vaginal estrogen
In-office procedure
- Cervical Polyp Removal
- Vulvar Cyst Removal
In-office procedures
- Bartholin cyst drainage
Laser therapy
- Vaginal laser therapy
Minimally invasive
- Fibroid Embolization
- Radiofrequency Fibroid Ablation
Pain management
- Pudendal nerve block
Pelvic floor
- Pelvic floor therapy evaluation
- Pessary fitting and management
Pelvic floor surgery
- Pelvic organ prolapse surgery
- Sling surgery for stress incontinence
Postpartum care
- Postpartum follow-up care
Pregnancy care
- Cervical Stitch
- Medication abortion consultation
Preventive care
- Annual well-woman exam
- HPV vaccine
- Preconception counseling
- STI and STD Screening
Reproductive health
- In-Clinic Surgical Abortion
Sexual wellness
- O-Shot (PRP Vaginal Injection)
- Vaginal Radiofrequency Treatment
Surgery
- Dilation and curettage
- Endometrial ablation
- Fallopian tube removal
- Gynecologic laparoscopy
- Myomectomy
- Ovarian cyst removal
- Permanent contraception by tubal ligation
- Uterine polyp removal
Surgical
- Endometriosis Excision Surgery
- Hymen Removal Surgery
- Uterine Septum Repair
Urogynecology
- Bladder Botox Injections
Procedures Most Often Billed to Medicare
199 services · 178 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
75 | More often than most peers in Gynecology |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
52 | More often than most peers in Gynecology |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
52 | As often as other peers in Gynecology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
20 | Less often than most peers in Gynecology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does John H. Niles specialize in?
John H. Niles is a gynecology in Greenbelt, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is John H. Niles located?
John H. Niles is listed at 7500 Greenway Center Dr Suite 620, Greenbelt, MD 20770. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John H. Niles's phone number?
The number on file is (301) 474-5400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John H. Niles?
John H. Niles's National Provider Identifier is 1528161445. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does John H. Niles have?
John H. Niles has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does John H. Niles do most often?
According to Medicare billing data, John H. Niles the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John H. Niles's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John H. Niles. If this is you, claiming it is free.
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